From b1bf2b10e2da1003bc8349c8df781771c4b4e5e2 Mon Sep 17 00:00:00 2001
From: Sukchan Lee <acetcom@gmail.com>
Date: Sat, 18 May 2024 21:12:47 +0900
Subject: [PATCH] [SEC] Fix Assertion ogs_pfcp_f_seid_to_ip (#3207)

---
 src/sgwu/context.c | 4 ++++
 src/upf/context.c  | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/sgwu/context.c b/src/sgwu/context.c
index a7bdd56b3..43da6a591 100644
--- a/src/sgwu/context.c
+++ b/src/sgwu/context.c
@@ -252,6 +252,10 @@ sgwu_sess_t *sgwu_sess_add_by_message(ogs_pfcp_message_t *message)
         ogs_error("No CP F-SEID");
         return NULL;
     }
+    if (f_seid->ipv4 == 0 && f_seid->ipv6 == 0) {
+        ogs_error("No IPv4 or IPv6");
+        return NULL;
+    }
     f_seid->seid = be64toh(f_seid->seid);
 
     sess = sgwu_sess_find_by_sgwc_sxa_f_seid(f_seid);
diff --git a/src/upf/context.c b/src/upf/context.c
index bd0737c09..6c4690de7 100644
--- a/src/upf/context.c
+++ b/src/upf/context.c
@@ -365,6 +365,10 @@ upf_sess_t *upf_sess_add_by_message(ogs_pfcp_message_t *message)
         ogs_error("No CP F-SEID");
         return NULL;
     }
+    if (f_seid->ipv4 == 0 && f_seid->ipv6 == 0) {
+        ogs_error("No IPv4 or IPv6");
+        return NULL;
+    }
     f_seid->seid = be64toh(f_seid->seid);
 
     sess = upf_sess_find_by_smf_n4_f_seid(f_seid);