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Jul 21, 2008, 2:51 AM
Post #1 of 1
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[Bug 45444] New: overlapping memcpy in ssl_io_input_read
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https://issues.apache.org/bugzilla/show_bug.cgi?id=45444
Summary: overlapping memcpy in ssl_io_input_read
Product: Apache httpd-2
Version: 2.2.9
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_ssl
AssignedTo: bugs[at]httpd.apache.org
ReportedBy: frederic.heem[at]telsey.it
Hi,
Valgrind has found a problem related to an overlapping memcpy in mod_ssl
(Apache/2.2.9 (Unix)), here is the output:
==18546== Thread 5:
==18546== Source and destination overlap in memcpy(0x425E0E8, 0x425E10E, 141)
==18546== at 0x4007A42: memcpy (mc_replace_strmem.c:402)
==18546== by 0x446C464: ssl_io_input_read (in
/usr/local/apache2/modules/mod_ssl.so)
==18546== by 0x446C781: ssl_io_filter_input (in
/usr/local/apache2/modules/mod_ssl.so)
==18546== by 0x8068DB5: ap_rgetline_core (in /usr/local/apache2/bin/httpd)
==18546== by 0x80690CE: ap_get_mime_headers_core (in
/usr/local/apache2/bin/httpd)
==18546== by 0x80696FC: ap_read_request (in /usr/local/apache2/bin/httpd)
==18546== by 0x80799DA: ap_process_http_connection (in
/usr/local/apache2/bin/httpd)
==18546== by 0x8076CEC: ap_run_process_connection (in
/usr/local/apache2/bin/httpd)
==18546== by 0x807FFD3: worker_thread (in /usr/local/apache2/bin/httpd)
==18546== by 0x4057603: dummy_worker (in
/usr/local/apache2/lib/libapr-1.so.0.3.0)
==18546== by 0x8E145A: start_thread (in /lib/libpthread-2.5.so)
==18546== by 0x71323D: clone (in /lib/libc-2.5.so)
This happens when a client sends a https request, regardless on the type of
request.
Let me know if you need more information.
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