1 files changed, 30 insertions, 0 deletions
diff --git a/debug/inet_pton_chk.c b/debug/inet_pton_chk.c
new file mode 100644
index 0000000000..965cf5e116
--- /dev/null
+++ b/debug/inet_pton_chk.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2025 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <arpa/inet.h>
+#include <stdio.h>
+
+int
+__inet_pton_chk (int af, const char *src, void *dst, size_t dst_size)
+{
+  if ((af == AF_INET && dst_size < 4)
+      || (af == AF_INET6 && dst_size < 16))
+    __chk_fail ();
+
+  return __inet_pton (af, src, dst);
+}
+libc_hidden_def (__inet_pton_chk)