Fix os.urandom() using getrandom() on Linux
Issue #27278: Fix os.urandom() implementation using getrandom() on Linux.
Truncate size to INT_MAX and loop until we collected enough random bytes,
instead of casting a directly Py_ssize_t to int.
diff --git a/Misc/NEWS b/Misc/NEWS
index e132b96..7940cdc 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -13,6 +13,10 @@
Library
-------
+- Issue #27278: Fix os.urandom() implementation using getrandom() on Linux.
+ Truncate size to INT_MAX and loop until we collected enough random bytes,
+ instead of casting a directly Py_ssize_t to int.
+
- Issue #26386: Fixed ttk.TreeView selection operations with item id's
containing spaces.
diff --git a/Python/random.c b/Python/random.c
index 07dacfe..b961020 100644
--- a/Python/random.c
+++ b/Python/random.c
@@ -143,7 +143,7 @@
to 1024 bytes */
n = Py_MIN(size, 1024);
#else
- n = size;
+ n = Py_MIN(size, INT_MAX);
#endif
errno = 0;