HTTPHdr::m_host goes stale if HdrHeap::evacuate_from_str_heaps is called ------------------------------------------------------------------------
Key: TS-996 URL: https://issues.apache.org/jira/browse/TS-996 Project: Traffic Server Issue Type: Bug Components: HTTP, MIME Affects Versions: 3.1.0 Reporter: B Wyatt class HTTPHdr stores a copy of the string pointer from either the URLimpl or the MIMEHdr for the host name in m_host. In both cases, these strings can be moved to a new heap underneath the HTTPHdr. When this happens, the process will, at best read stale memory and be fine and at worst read unmapped memory and segfault. Currently, HdrHeap::evacuate_from_str_heaps is called to coalesce multiple heaps into a single heap. When this happens it will directly access the low level objects via ::move_strings calls. These objects do not posses the necessary information to inform parent objects about the change, nor does the HdrHeap directly inform interested parties. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira