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Diffstat (limited to 'Misc/NEWS.d/next/Library/2023-12-01-21-05-46.gh-issue-112334.DmNXKh.rst')
| -rw-r--r-- | Misc/NEWS.d/next/Library/2023-12-01-21-05-46.gh-issue-112334.DmNXKh.rst | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/Misc/NEWS.d/next/Library/2023-12-01-21-05-46.gh-issue-112334.DmNXKh.rst b/Misc/NEWS.d/next/Library/2023-12-01-21-05-46.gh-issue-112334.DmNXKh.rst deleted file mode 100644 index 3a53a8b..0000000 --- a/Misc/NEWS.d/next/Library/2023-12-01-21-05-46.gh-issue-112334.DmNXKh.rst +++ /dev/null @@ -1,11 +0,0 @@ -Fixed a performance regression in 3.12's :mod:`subprocess` on Linux where it -would no longer use the fast-path ``vfork()`` system call when it could have -due to a logic bug, instead falling back to the safe but slower ``fork()``. - -Also fixed a second 3.12.0 potential security bug. If a value of -``extra_groups=[]`` was passed to :mod:`subprocess.Popen` or related APIs, -the underlying ``setgroups(0, NULL)`` system call to clear the groups list -would not be made in the child process prior to ``exec()``. - -This was identified via code inspection in the process of fixing the first -bug. |