https://bugs.openldap.org/show_bug.cgi?id=10141
Issue ID: 10141
Summary: 100% CPU consumption with ldap_int_tls_connect
Product: OpenLDAP
Version: 2.6.3
Hardware: Other
OS: Linux
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: libraries
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
While doing secure ldap connection, i'm seeing that connection is getting stuck
in read block in case it is unable to connect active directory sometime:
~ # strace -p 15049
strace: Process 15049 attached
read(3, 0x55ef720bda53, 5) = -1 EAGAIN (Resource temporarily
unavailable)
read(3, 0x55ef720bda53, 5) = -1 EAGAIN (Resource temporarily
unavailable)
.. ..
.. ..
After putting some logs, I can see that "ldap_int_tls_start" function of
"openldap-2.6.3/libraries/libldap/tls2.c" calls "ldap_int_tls_connect" in while
loop.
It seems to be blocking call, as it try to connect continuously until it get
connected(ti_session_connect returns 0) and thus consumes 100% CPU during that
time.
Is there any known issue ?
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