From 69cf92fbca9bf51c70d06bb12329f881af6f4b65 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Fri, 16 Aug 2024 10:07:27 +0200
Subject: [PATCH] [3.13] gh-116622: Don't expose `FICLONE` ioctl on Android
 (GH-122522) (#122539)

gh-116622: Don't expose `FICLONE` ioctl on Android (GH-122522)

Don't expose `FICLONE` ioctl on Android

(cherry picked from commit 06656e259bc9b2c3cf8a23bdc6e4acb052c56e1f)

Co-authored-by: Malcolm Smith <smith@chaquo.com>
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
---
 .../Library/2024-07-31-15-08-42.gh-issue-116622.aKxIQA.rst   | 2 ++
 Modules/fcntlmodule.c                                        | 5 +++++
 2 files changed, 7 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2024-07-31-15-08-42.gh-issue-116622.aKxIQA.rst

diff --git a/Misc/NEWS.d/next/Library/2024-07-31-15-08-42.gh-issue-116622.aKxIQA.rst b/Misc/NEWS.d/next/Library/2024-07-31-15-08-42.gh-issue-116622.aKxIQA.rst
new file mode 100644
index 00000000000..fc65b4d973b
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-07-31-15-08-42.gh-issue-116622.aKxIQA.rst
@@ -0,0 +1,2 @@
+On Android, the ``FICLONE`` and ``FICLONERANGE`` constants are no longer
+exposed by :mod:`fcntl`, as these ioctls are blocked by SELinux.
diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index b6eeec2c66f..17ecf4c6731 100644
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -580,12 +580,17 @@ all_ins(PyObject* m)
 #ifdef F_GETPIPE_SZ
     if (PyModule_AddIntMacro(m, F_GETPIPE_SZ)) return -1;
 #endif
+
+/* On Android, FICLONE is blocked by SELinux. */
+#ifndef __ANDROID__
 #ifdef FICLONE
     if (PyModule_AddIntMacro(m, FICLONE)) return -1;
 #endif
 #ifdef FICLONERANGE
     if (PyModule_AddIntMacro(m, FICLONERANGE)) return -1;
 #endif
+#endif
+
 #ifdef F_GETOWN_EX
     // since Linux 2.6.32
     if (PyModule_AddIntMacro(m, F_GETOWN_EX)) return -1;