From: Tobias Stoeckmann Date: Mon, 25 Aug 2025 22:23:02 +0200 Subject: ghash: Fix signed integer overflow in g_hash_table_set_shift Shifting 1 by 31 bits triggers a signed integer overflow. Use 1u for unsigned data type to allow such operation. Bug: https://gitlab.gnome.org/GNOME/glib/-/issues/672 Origin: upstream, 2.86.1, commit:f8bda4d10990a1e229fc3c3fd09b263ef6f99288 --- glib/ghash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/glib/ghash.c b/glib/ghash.c index 352098c..d5c84ac 100644 --- a/glib/ghash.c +++ b/glib/ghash.c @@ -298,7 +298,7 @@ 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->size = 1u << shift; hash_table->mod = prime_mod [shift]; /* hash_table->size is always a power of two, so we can calculate the mask