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Wed, 08 Jul 2026 08:23:10 -0700 (PDT) Received: from localhost.localdomain ([2a10:4440:fff:d1a0:c58e:91f1:416f:77dd]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-493e5a61135sm42412065e9.1.2026.07.08.08.23.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jul 2026 08:23:10 -0700 (PDT) From: Dierk Modrow To: iwd@lists.linux.dev Cc: pmenzel@molgen.mpg.de, Dierk Modrow Subject: [PATCH] src/eapol.c: fix of SEGV in eapol_rx_packets at receipt of EAPOL M1 msg at legacy roaming after ft_auth-/ft_reassoc-timeout when using mwifiex / NXP 88W9098 driver Date: Wed, 8 Jul 2026 17:22:27 +0200 Message-ID: <20260708152228.1191-1-dierk.modrow@gmail.com> X-Mailer: git-send-email 2.49.0.windows.1 Precedence: bulk X-Mailing-List: iwd@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Dierk Modrow --- src/eapol.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/eapol.c b/src/eapol.c index 372549c6..c2dc4e4c 100644 --- a/src/eapol.c +++ b/src/eapol.c @@ -2824,6 +2824,10 @@ void eapol_register(struct eapol_sm *sm) l_queue_push_head(state_machines, sm); + /* workaround against SEGV on fct. eapol_rx_packet by avoiding for two different eapol_frame_watches with different ids, but same eapol_sm ptr */ + if ((sm->watch_id > 0) && eapol_frame_watch_remove(sm->watch_id)) { + l_debug("existing frame_watch for sm=%p with id=%u successfully removed", sm, sm->watch_id); + } sm->watch_id = eapol_frame_watch_add(sm->handshake->ifindex, rx_handler, sm); sm->protocol_version = sm->handshake->proto_version; -- 2.53.0.windows.2