[3.11] gh-87474: Fix file descriptor leaks in subprocess.Popen (GH-96351) #104563
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…GH-96351) This fixes several ways file descriptors could be leaked from `subprocess.Popen` constructor during error conditions by opening them later and using a context manager "fds to close" registration scheme to ensure they get closed before returning. --------- (cherry picked from commit 3a4c44b) Co-authored-by: cptpcrd <31829097+cptpcrd@users.noreply.github.com> Co-authored-by: Gregory P. Smith [Google] <greg@krypto.org>
This was referenced May 16, 2023
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This fixes several ways file descriptors could be leaked from
subprocess.Popenconstructor during error conditions by opening them later and using a context manager "fds to close" registration scheme to ensure they get closed before returning.(cherry picked from commit 3a4c44b)
Co-authored-by: cptpcrd 31829097+cptpcrd@users.noreply.github.com
Co-authored-by: Gregory P. Smith [Google] greg@krypto.org