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select.poll is not thread safe #53111

Closed
Closed
Assignees
serhiy-storchaka
Labels
stdlibStandard Library Python modules in the Lib/ directorytype-crashA hard crash of the interpreter, possibly with a core dump
@apexo

Description

@apexo
mannequin
BPO8865
Nosy@gpshead,@pitrou,@vstinner,@asvetlov,@serhiy-storchaka
Files
  • select_threads.py: python2 script that demonstrates the problem
  • concurrent_poll_and_register.py: python2 script to demonstrate memory corruption issue
  • select.patch: a patch
  • select_concurrent_poll.patch: Updated to 2.7 for review patch
  • select_concurrent_poll.patch
  • issue8865-poll-multithread-gps01.diff: updated, against 3.2
  • issue8865_v2.diff: forbid concurrent poll() invocation
  • issue8865_v3.diff: RuntimeError instead of TypeError
  • test.py: crasher
  • issue8865_test.patch
  • 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='https://github.com/serhiy-storchaka'closed_at=<Date2013-08-20.18:23:29.244>created_at=<Date2010-05-31.22:20:13.881>labels= ['library','type-crash']title='select.poll is not thread safe'updated_at=<Date2013-08-20.18:23:29.243>user='https://bugs.python.org/apexo'

    bugs.python.org fields:

    activity=<Date2013-08-20.18:23:29.243>actor='serhiy.storchaka'assignee='serhiy.storchaka'closed=Trueclosed_date=<Date2013-08-20.18:23:29.244>closer='serhiy.storchaka'components= ['Library (Lib)']creation=<Date2010-05-31.22:20:13.881>creator='apexo'dependencies= []files= ['17510','17511','17675','27961','27963','27964','27967','27968','28687','28855']hgrepos= []issue_num=8865keywords= ['patch']message_count=31.0messages= ['106815','106816','106827','106829','107863','175387','175389','175390','175394','175395','175397','175400','175409','175429','175431','175432','175501','175525','176894','176895','176969','176998','179657','179659','180696','181822','181823','186736','194334','195705','195707']nosy_count=9.0nosy_names= ['gregory.p.smith','exarkun','pitrou','vstinner','asvetlov','neologix','apexo','python-dev','serhiy.storchaka']pr_nums= []priority='normal'resolution='fixed'stage='resolved'status='closed'superseder=Nonetype='crash'url='https://bugs.python.org/issue8865'versions= ['Python 2.7','Python 3.3','Python 3.4']

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    stdlibStandard Library Python modules in the Lib/ directorytype-crashA hard crash of the interpreter, possibly with a core dump

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