From 5d6c151fdb4a4fb6d95017e6a71932b5e27114f4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arkadiusz=20Ba=C5=82ys?= <arkadiusz.balys@nordicsemi.no>
Date: Tue, 30 Apr 2024 15:06:04 +0200
Subject: [PATCH] [OpenThread] Disable IPv6 interface during erasing persistent
 info. (#33170)

Apart from disabling Thread, and erasing Persistent Info, we should
disable the IPv6 interface as well and block receiving further
packets.
Otherwise, if we don't reboot the device after erasing Thread
persistent data, we can get a packet and as a result, it causes an
assert during processing AES_ECB
(because crypto keys have been removed).
---
 .../OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp      | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp b/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp
index 35c547f4d52d25..1b7f1c52deeaa9 100644
--- a/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp
+++ b/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp
@@ -1220,6 +1220,7 @@ void GenericThreadStackManagerImpl_OpenThread<ImplClass>::_ErasePersistentInfo(v
     ChipLogProgress(DeviceLayer, "Erasing Thread persistent info...");
     Impl()->LockThreadStack();
     otThreadSetEnabled(mOTInst, false);
+    otIp6SetEnabled(mOTInst, false);
     otInstanceErasePersistentInfo(mOTInst);
     Impl()->UnlockThreadStack();
 }