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[3.14] gh-137335: remove a mktemp use in multiprocessing.connection to avoid security scanner noise (GH-148578) #148583

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Merged
gpshead merged 1 commit into from
Apr 15, 2026
Merged

[3.14] gh-137335: remove a mktemp use in multiprocessing.connection to avoid security scanner noise (GH-148578) #148583

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gh-137335: remove a mktemp use in multiprocessing.connection to avoid… 
… security scanner noise (GH-148578)

remove a mktemp use to avoid security scanner noise
(cherry picked from commit fd81246)

Co-authored-by: Gregory P. Smith <[email protected]>
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@gpshead @miss-islington
gpshead authored and miss-islington committed Apr 14, 2026
commit ea7464ccdce7d7ae32b07641bd4ae8c083436ab6
7 changes: 5 additions & 2 deletions Lib/multiprocessing/connection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,6 @@
import sys
import socket
import struct
import tempfile
import time


Expand Down Expand Up @@ -77,7 +76,11 @@ def arbitrary_address(family):
if family == 'AF_INET':
return ('localhost', 0)
elif family == 'AF_UNIX':
return tempfile.mktemp(prefix='sock-', dir=util.get_temp_dir())
# NOTE: util.get_temp_dir() is a 0o700 per-process directory. A
# mktemp-style ToC vs ToU concern is not important; bind() surfaces
# the extremely unlikely collision as EADDRINUSE.
return os.path.join(util.get_temp_dir(),
f'sock-{os.urandom(6).hex()}')
elif family == 'AF_PIPE':
return (r'\\.\pipe\pyc-%d-%d-%s' %
(os.getpid(), next(_mmap_counter), os.urandom(8).hex()))
Expand Down
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