From a7d5401953c548c9479c386b52fffcba6b49c0e3 Mon Sep 17 00:00:00 2001
From: "fu.lin" <fulin10@huawei.com>
Date: Wed, 27 Oct 2021 11:57:43 +0800
Subject: [PATCH 51/72] sk: ignore the bind error for icmp socket

Conflict:NA
Reference:https://gitee.com/src-openeuler/criu/pulls/21
Signed-off-by: fu.lin <fulin10@huawei.com>
---
 criu/sk-inet.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/criu/sk-inet.c b/criu/sk-inet.c
index c0251db..96c2d09 100644
--- a/criu/sk-inet.c
+++ b/criu/sk-inet.c
@@ -1160,8 +1160,24 @@ int inet_bind(int sk, struct inet_sk_info *ii)
 	}
 
 	if (bind(sk, (struct sockaddr *)&addr, addr_size) == -1) {
-		pr_perror("Can't bind inet socket (id %d)", ii->ie->id);
-		return -1;
+		InetSkEntry *ie = ii->ie;
+
+		/*
+		 * Sometimes the ping-like program restoration may appear
+		 * `bind()` error when it is specified the address. In view
+		 * of the principle that we should try our best to restore the
+		 * process, and ping-like program works abnormal can tolerate,
+		 * just warn here instead of report error.
+		 */
+		if (ie->proto == IPPROTO_ICMP || ie->proto == IPPROTO_ICMPV6) {
+			pr_warn("Can't bind inet socket (id %d) proto %s\n",
+				ie->id,
+				ie->proto == IPPROTO_ICMP ?
+					"IPPROTO_ICMP" : "IPPROTO_ICMPV6");
+		} else {
+			pr_perror("Can't bind inet socket (id %d)", ii->ie->id);
+			return -1;
+		}
 	}
 
 	if (rst_freebind) {
-- 
2.34.1

