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tests: P2P_SERV_DISC_CANCEL_REQ during query

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This is a regression test case for a specific sequence that could result
in wpa_supplicant NULL dereference when a SD request is cancelled before
the SD Request TX status callback has been processed.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-01-22 15:55:36 +02:00 committed by Jouni Malinen
parent bff162ac76
commit 180a858f76
1 changed files with 25 additions and 0 deletions
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25
tests/hwsim/test_p2p_service.py
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@ -416,3 +416,28 @@ def test_p2p_service_discovery_invalid_commands(dev):
"foo bar" ]: "foo bar" ]:
if "FAIL" not in dev[0].request("P2P_SERVICE_DEL " + cmd): if "FAIL" not in dev[0].request("P2P_SERVICE_DEL " + cmd):
raise Exception("Invalid P2P_SERVICE_DEL accepted: " + cmd) raise Exception("Invalid P2P_SERVICE_DEL accepted: " + cmd)
def test_p2p_service_discovery_cancel_during_query(dev):
"""P2P service discovery and cancel during query"""
for i in range(2):
add_bonjour_services(dev[i])
add_upnp_services(dev[i])
add_extra_services(dev[i])
dev[i].p2p_listen()
dev[2].request("P2P_FLUSH")
id1 = dev[2].request("P2P_SERV_DISC_REQ 00:00:00:00:00:00 02000201")
id2 = dev[2].request("P2P_SERV_DISC_REQ 00:00:00:00:00:00 02000101")
dev[2].p2p_find(social=True)
ev = dev[2].wait_global_event(["P2P-DEVICE-FOUND"], timeout=15)
if ev is None:
raise Exception("Could not discover peer")
if "OK" not in dev[2].request("P2P_SERV_DISC_CANCEL_REQ " + id1):
raise Exception("Failed to cancel req1")
if "OK" not in dev[2].request("P2P_SERV_DISC_CANCEL_REQ " + id2):
raise Exception("Failed to cancel req2")
ev = dev[2].wait_global_event(["P2P-SERV-DISC-RESP"], timeout=3)
# we may or may not get a response depending on timing, so ignore the result
dev[2].p2p_stop_find()
dev[1].p2p_stop_find()
dev[0].p2p_stop_find()