Issue #21951: Use attemptckalloc() instead of ckalloc() in Tkinter.

ckalloc() causes the Tcl interpreter to panic, attemptckalloc() returns NULL
if the memory allocation fails.

1 files changed, 3 insertions, 0 deletions

diff --git a/Misc/NEWS b/Misc/NEWS
index 6e7ed3a..9e5e681 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -22,6 +22,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #21951: Tkinter now most likely raises MemoryError instead of crash
+  if the memory allocation fails.
+
 - Issue #22226: First letter no longer is stripped from the "status" key in
   the result of Treeview.heading().