File 0002-fix-reject-zero-length-idna-inputs.patch of Package libuv.36527

From 3530bcc30350d4a6ccf35d2f7b33e23292b9de70 Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Thu, 18 Jan 2024 14:52:38 +0100
Subject: [PATCH 2/3] fix: reject zero-length idna inputs

Fixes: https://github.com/libuv/libuv/security/advisories/GHSA-f74f-cvh7-c6q6
---
 src/idna.c       | 3 +++
 test/test-idna.c | 1 +
 2 files changed, 4 insertions(+)

Index: libuv-v1.44.2/src/idna.c
===================================================================
--- libuv-v1.44.2.orig/src/idna.c
+++ libuv-v1.44.2/src/idna.c
@@ -274,6 +274,9 @@ long uv__idna_toascii(const char* s, con
   char* ds;
   int rc;
 
+  if (s == se)
+    return UV_EINVAL;
+
   ds = d;
 
   si = s;
Index: libuv-v1.44.2/test/test-idna.c
===================================================================
--- libuv-v1.44.2.orig/test/test-idna.c
+++ libuv-v1.44.2/test/test-idna.c
@@ -114,6 +114,7 @@ TEST_IMPL(utf8_decode1_overrun) {
   ASSERT_EQ(p, b + 1);
 
   b[0] = 0x7F;
+  ASSERT_EQ(UV_EINVAL, uv__idna_toascii(b, b + 0, c, c + 1));
   ASSERT_EQ(UV_EINVAL, uv__idna_toascii(b, b + 1, c, c + 1));
 
   return 0;