Subject: initializing subtree with invalid syntax crashes ns-slapd https://bugzilla.redhat.com/show_bug.cgi?id=573896 Files: ldap/servers/slapd/slap.h ldap/servers/slapd/task.c Description: When an import is executed using a task mechanism, slapi_task_log_notice is called for logging, where task_log field points the memory storing the log messages. If multiple log messages were logged by multiple worker threads simultaneously, there was a chance that the address of the log message was switched by realloc while the other threads were accessing the old address. This patch introduces task_log_lock per task to protect task_log. Note: slapi_ch_malloc and its friends never return NULL. They rather exits. Thus, to avoid the confusion which may look leaking the lock, I eliminated 2 error returns from slapi_task_log_notice. Proposed patch: https://bugzilla.redhat.com/attachment.cgi?id=400601&action=diff https://bugzilla.redhat.com/attachment.cgi?id=400601&action=edit
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