Oknet Xu created TS-4539:
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Summary: the mutex of server_vc is not set while server_session
reuse.
Key: TS-4539
URL: https://issues.apache.org/jira/browse/TS-4539
Project: Traffic Server
Issue Type: Bug
Components: HTTP
Reporter: Oknet Xu
NetAccept got a client_vc and call new_ProxyMutex() to assign a mutex.
And the HttpClientSession, HttpSM, HttpServerSession, server_vc also share the
same mutex.
The HttpServerSession and server_vc will put into ServerSessionPool and may
assign to next new client_vc.
The HttpSM::attach_server_session() only set the mutex of HttpServerSession to
the mutex of HttpSM after get a HttpServerSession from ServerSessionPool.
But it forget to set the mutex of server_vc to the mutex of HttpSM.
{code}
void
HttpSM::attach_server_session(HttpServerSession *s)
{
hsm_release_assert(server_session == NULL);
hsm_release_assert(server_entry == NULL);
hsm_release_assert(s->state == HSS_ACTIVE);
server_session = s;
server_session->transact_count++;
// Set the mutex so that we have something to update
// stats with
server_session->mutex = this->mutex;
{code}
But I can not found any issue, Is it by design?
Or it is hard to locate the problem, due to my limited knowedge on HttpSM.
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