Change in osmo-ttcn3-hacks[master]: msc: add TC_paging_response_[it]msi_unknown

[neels]

neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/19721 )


Change subject: msc: add TC_paging_response_[it]msi_unknown
......................................................................

msc: add TC_paging_response_[it]msi_unknown

These uncover crashes of current osmo-msc master, when a Paging Response
contains an unknown mobile identity. Hence run them last.

The crash is fixed by osmo-msc Ia2c8fa745cfab17ed7114d433f625ddc02ae7b11

Related: OS#4724
Related: Ia2c8fa745cfab17ed7114d433f625ddc02ae7b11 (osmo-msc)
Change-Id: I40496bbccbbd9c496cfa57df49e26f124a2b1554
---
M msc/MSC_Tests.ttcn
1 file changed, 46 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/21/19721/1

diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 806d4bd..10410cc 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -710,6 +710,50 @@
 	vc_conn.done;
 }
 
+/* Send Paging Response for IMSI that has never performed LU before */
+friend function f_tc_paging_response_imsi_unknown(charstring id, BSC_ConnHdlrPars pars)
+runs on BSC_ConnHdlr {
+	f_init_handler(pars);
+
+	var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(g_pars.imsi));
+	var BSSMAP_IE_CellIdentifier cell_id := valueof(ts_CellId_CGI('262'H, '42'H, 23, 42));
+	var PDU_ML3_MS_NW l3_info := valueof(ts_PAG_RESP(mi));
+
+	/* Send BSSAP_Conn_Req with COMPL L3 INFO to MSC */
+	f_cl3_or_initial_ue(l3_info);
+
+	/* The Paging Response gets rejected by a direct Clear Command */
+	f_expect_clear();
+}
+testcase TC_paging_response_imsi_unknown() runs on MTC_CT {
+	var BSC_ConnHdlr vc_conn;
+	f_init();
+	vc_conn := f_start_handler(refers(f_tc_paging_response_imsi_unknown), 58, verify_cell_id := false);
+	vc_conn.done;
+}
+
+/* Send Paging Response for TMSI that has never performed LU before */
+friend function f_tc_paging_response_tmsi_unknown(charstring id, BSC_ConnHdlrPars pars)
+runs on BSC_ConnHdlr {
+	f_init_handler(pars);
+
+	var MobileIdentityLV mi := valueof(ts_MI_TMSI_LV('59111111'O));
+	var BSSMAP_IE_CellIdentifier cell_id := valueof(ts_CellId_CGI('262'H, '42'H, 23, 42));
+	var PDU_ML3_MS_NW l3_info := valueof(ts_PAG_RESP(mi));
+
+	/* Send BSSAP_Conn_Req with COMPL L3 INFO to MSC */
+	f_cl3_or_initial_ue(l3_info);
+
+	/* The Paging Response gets rejected by a direct Clear Command */
+	f_expect_clear();
+}
+testcase TC_paging_response_tmsi_unknown() runs on MTC_CT {
+	var BSC_ConnHdlr vc_conn;
+	f_init();
+	vc_conn := f_start_handler(refers(f_tc_paging_response_tmsi_unknown), 59, verify_cell_id := false);
+	vc_conn.done;
+}
+
 
 friend function f_tc_lu_and_mo_call(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
 	f_init_handler(pars);
@@ -6319,6 +6363,8 @@
 	execute( TC_invalid_mgcp_crash() );
 	execute( TC_mm_id_resp_no_identity() );
 	execute( TC_lu_and_expire_while_paging() );
+	execute( TC_paging_response_imsi_unknown() );
+	execute( TC_paging_response_tmsi_unknown() );
 }
 
 

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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I40496bbccbbd9c496cfa57df49e26f124a2b1554
Gerrit-Change-Number: 19721
Gerrit-PatchSet: 1
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-MessageType: newchange
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