traffic_cop segment fault when enable TRACE_LOG_COP
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Key: TS-1065
URL: https://issues.apache.org/jira/browse/TS-1065
Project: Traffic Server
Issue Type: Bug
Affects Versions: 3.1.1, 3.0.2
Environment: mac os 10.7.2, centos 5.4 64bit
Reporter: Conan Wang
Priority: Minor
When enable traffic_cop's debug log: #define TRACE_LOG_COP 1
Some cop_log invocation will cause segment fault, because va_list object in
cop_log is used twice between 'va_start' and 'va_end'.
{code}
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000000
0x00007fff846b64f0 in strlen ()
(gdb) bt
#0 0x00007fff846b64f0 in strlen ()
#1 0x00007fff846578c3 in __vfprintf ()
#2 0x00007fff846a109b in vsprintf_l ()
#3 0x0000000100001883 in cop_log (priority=5, format=0x1000072a8 "--- Cop
Starting [Version: %s] ---\n") at TrafficCop.cc:172
#4 0x0000000100002244 in check_lockfile () at TrafficCop.cc:1733
#5 0x00000001000022c0 in init () at TrafficCop.cc:1894
#6 0x0000000100006689 in main (argc=1, argv=0x7fff5fbffbb0) at
TrafficCop.cc:1958
{code}
Reference:
http://pubs.opengroup.org/onlinepubs/009695399/basedefs/stdarg.h.html
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