[TS-3991] Coredump seen on plugins written using CPP API

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.1.0
• Component/s: CPP API, Plugins
• Assignee: Shu Kit Francis Chan
• Reporter: Shu Kit Francis Chan
• Created: 03/Nov/15 00:59
• Updated: 12/Nov/15 05:28
• Resolved: 07/Nov/15 02:22

Description

Here are the traces on the coredumps we are seeing

#0  0x00002aab682e99a0 in ?? ()
No symbol table info available.
#1  0x00002aaaab4b8179 in std::tr1::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release (this=0x2aab6809cb10) at /usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../include/c++/4.4.7/tr1_impl/boost_sp_counted_base.h:140
No locals.
#2  0x00002aaaab6dfb61 in std::tr1::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count (this=0x2b1c832f8bc8, __in_chrg=<value optimized out>) at /usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../include/c++/4.4.7/tr1/shared_ptr.h:153
No locals.
#3  0x00002aaaab6df94e in std::tr1::__shared_ptr<atscppapi::Mutex, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr (this=0x2b1c832f8bc0, __in_chrg=<value optimized out>) at /usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../include/c++/4.4.7/tr1/shared_ptr.h:358
No locals.
#4  0x00002aaaab6df98e in std::tr1::shared_ptr<atscppapi::Mutex>::~shared_ptr (this=0x2b1c832f8bc0, __in_chrg=<value optimized out>) at /usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../include/c++/4.4.7/tr1/shared_ptr.h:834
No locals.
#5  0x00002aaaab6f1e0a in atscppapi::ScopedSharedMutexTryLock::~ScopedSharedMutexTryLock (this=0x2b1c832f8bc0, __in_chrg=<value optimized out>) at include/atscppapi/Mutex.h:234
No locals.
#6  0x00002aaaab6f1c77 in (anonymous namespace)::handleEvents (cont=0x28eb430, pristine_event=TS_EVENT_TIMEOUT, pristine_edata=0x2aab20079450) at InterceptPlugin.cc:347
        edata = 0x2aab20079450
        state = 0x2aab6809cb80
        __FUNCTION__ = "handleEvents"
        event = TS_EVENT_TIMEOUT
        scopedTryLock = {<atscppapi::noncopyable> = {<No data fields>}, mutex_ = std::tr1::shared_ptr (count 0) 0x2aab6809caa0, has_lock_ = false}
#7  0x000000000050bac8 in INKContInternal::handle_event (this=0x28eb430, event=2, edata=0x2aab20079450) at InkAPI.cc:1000
No locals.
#8  0x00000000004f70d8 in Continuation::handleEvent (this=0x28eb430, event=2, data=0x2aab20079450) at ../iocore/eventsystem/I_Continuation.h:146
No locals.
#9  0x000000000075a8d2 in EThread::process_event (this=0x2b1c80ed6010, e=0x2aab20079450, calling_code=2) at UnixEThread.cc:145
        c_temp = 0x28eb430
        lock = {m = {m_ptr = 0x2aaabc0eca50}, lock_acquired = true}
#10 0x000000000075abed in EThread::execute (this=0x2b1c80ed6010) at UnixEThread.cc:224
        done_one = true
        e = 0x2aab20079450
        NegativeQueue = {<DLL<Event, Event::Link_link>> = {head = 0x257bcf0}, tail = 0x257bcf0}
        next_time = 1444322819831472139
#11 0x0000000000759e50 in spawn_thread_internal (a=0x2447860) at Thread.cc:88
        p = 0x2447860
#12 0x00002b1c7f9cd9d1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#13 0x000000381b8e88fd in clone () from /lib64/libc.so.6