From: D Scott Phillips <d.scott.phill...@amperecomputing.com>

Leaving TlsChildHandle with the stale handle causes later use of https
with the http instance to incorrectly skip tls reconfiguration, use
the stale handle, and eventually call a garbage function pointer.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1917
Signed-off-by: D Scott Phillips <d.scott.phill...@amperecomputing.com>
---
 NetworkPkg/HttpDxe/HttpProto.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/NetworkPkg/HttpDxe/HttpProto.c b/NetworkPkg/HttpDxe/HttpProto.c
index 3c7c6ff9f0..afc7db5a72 100644
--- a/NetworkPkg/HttpDxe/HttpProto.c
+++ b/NetworkPkg/HttpDxe/HttpProto.c
@@ -873,6 +873,7 @@ HttpCleanProtocol (
     // Destroy the TLS instance.
     //
     HttpInstance->TlsSb->DestroyChild (HttpInstance->TlsSb, 
HttpInstance->TlsChildHandle);
+    HttpInstance->TlsChildHandle = NULL;
   }
 
   if (HttpInstance->Tcp4ChildHandle != NULL) {
-- 
2.26.2



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