0040-getaddrinfo-translate-ENOMEM-to-EAI_MEMORY-bug-31163.patch

From ae1e5217021e43e1f2de443d26e87ea3adfb221c Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@suse.de>
Date: Wed, 6 Dec 2023 14:48:22 +0100
Subject: [PATCH] getaddrinfo: translate ENOMEM to EAI_MEMORY (bug 31163)

When __resolv_context_get returns NULL due to out of memory, translate it
to a return value of EAI_MEMORY.

(cherry picked from commit 5eabdb6a6ac1599d23dd5966a37417215950245f)
---
 sysdeps/posix/getaddrinfo.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 13082305d3..da573bea24 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -616,7 +616,14 @@ get_nss_addresses (const char *name, const struct addrinfo *req,
      function variant.  */
   res_ctx = __resolv_context_get ();
   if (res_ctx == NULL)
-    no_more = 1;
+    {
+      if (errno == ENOMEM)
+	{
+	  result = -EAI_MEMORY;
+	  goto out;
+	}
+      no_more = 1;
+    }
 
   while (!no_more)
     {
-- 
2.43.0