From ecd6009a5e64c98eb91df666b86b1ce7715675be Mon Sep 17 00:00:00 2001
From: Erik Ekman <erik@kryo.se>
Date: Wed, 24 Jun 2020 01:09:37 +0200
Subject: [PATCH] icmp6: Don't copy too much data

Fix of the fix for bug #58553
---
 src/core/ipv6/icmp6.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/ipv6/icmp6.c b/src/core/ipv6/icmp6.c
index 617fca7d..4fd10216 100644
--- a/src/core/ipv6/icmp6.c
+++ b/src/core/ipv6/icmp6.c
@@ -410,7 +410,7 @@ icmp6_send_response_with_addrs_and_netif(struct pbuf *p, u8_t code, u32_t data,
   offset = sizeof(struct icmp6_hdr);
   while (p && datalen) {
     u16_t len = LWIP_MIN(datalen, p->len);
-    err_t res = pbuf_take_at(q, p->payload, datalen, offset);
+    err_t res = pbuf_take_at(q, p->payload, len, offset);
     if (res != ERR_OK) break;
     datalen -= len;
     offset += len;