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514ce78Bug 666076 - dirsrv crash (1.2.7.5) with multiple simple paged result searches
Bug 666076 - dirsrv crash (1.2.7.5) with multiple simple paged result searches
https://bugzilla.redhat.com/show_bug.cgi?id=666076
Resolves: bug 666076
Bug Description: dirsrv crash (1.2.7.5) with multiple simple paged result searches
Reviewed by: nkinder, nhosoi (Thanks!)
Branch: Directory_Server_8_2_Branch
Fix Description: Only allow one simple paged results search per-connection
at a time. The new function pagedresults_check_or_set_processing() will
check the flag in the connection to see if pagedresults processing is in
progress. If so, the function will return True and the search will terminate
with LDAP_UNWILLING_TO_PERFORM (as per section 3 in RFC 2696, a server is
allowed to return unwillingToPerform if there is a limit to the number of
outstanding paged search requests from a given client). The processing
flag will be reset once the search result has been sent to the client.
Since the problem is multiple threads in the same connection accessing
the pagedresults data, the workaround is to just set
nsslapd-maxthreadsperconn: 1
in cn=config in dse.ldif.
Platforms tested: RHEL6 x86_64
Flag Day: no
Doc impact: no