From 08504de71813ddbd447bfbca4a325cbe8ce8bcda Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Tue, 12 Mar 2019 11:40:47 +0100
Subject: resolv: Enable full ICMP errors for UDP DNS sockets [BZ #24047]

The Linux kernel suppresses some ICMP error messages by default for
UDP sockets.  This commit enables full ICMP error reporting,
hopefully resulting in faster failover to working name servers.
---
 ChangeLog | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'ChangeLog')

diff --git a/ChangeLog b/ChangeLog
index 9bf1e4e3c8..2f72e0f8ec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2019-03-12  Florian Weimer  <fweimer@redhat.com>
+
+	[BZ #24047]
+	resolv: Enable full ICMP errors for UDP DNS sockets
+	* resolv/res_enable_icmp.c: New file.
+	* resolv/Makefile (libresolv-routines): Add res_enable_icmp.
+	* resolv/resolv-internal.h (__res_enable_icmp): Declare.
+	* resolv/res_send.c (reopen): Call __res_enable_icmp on new
+	socket.
+
 2019-03-11  Mao Han  <han_mao@c-sky.com>
 
 	* elf/elf.h (EF_CSKY_ABIMASK, EF_CSKY_OTHER, EF_CSKY_PROCESSOR)
-- 
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