From b32aed174aa618bf1eb198f55ed2dacc0d24a9c8 Mon Sep 17 00:00:00 2001
From: Tobias Stoeckmann <tobias@stoeckmann.org>
Date: Wed, 20 Aug 2025 20:15:41 +0200
Subject: [PATCH] ghash: Call g_error if hash table grows too large

Gracefully handle the case when too many items (billions) are added to a
hash table.
---
 glib/ghash.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/glib/ghash.c b/glib/ghash.c
index 82b750689..e922e1a88 100644
--- a/glib/ghash.c
+++ b/glib/ghash.c
@@ -289,6 +289,9 @@ static const gint prime_mod [] =
 static void
 g_hash_table_set_shift (GHashTable *hash_table, gint shift)
 {
+  if (shift > 31)
+    g_error ("adding more entries to hash table would overflow");
+
   hash_table->size = 1 << shift;
   hash_table->mod  = prime_mod [shift];