Koen created QPID-8498:
--------------------------
Summary: Crash when closing application using Qpid - proton 0.25
Key: QPID-8498
URL: https://issues.apache.org/jira/browse/QPID-8498
Project: Qpid
Issue Type: Bug
Components: C++ Broker
Affects Versions: 0.25
Reporter: Koen
Hello,
I'm having a problem with Qpid-proton-cpp version 0.25.0 and was wondering if
this was already solved in a newer version.
When I shutdown the application, it crashes sometimes (1 time in 40 shutdown's)
and generates the following stacktrace:
{code:java}
#0 0x00000000 in ?? ()
#1 0xf325203e in pn_class_decref (clazz=0xee100fb0, object=0xee100738) at
/opt/jenkins_home/workspace/Qpid_release_build/qpid-proton-src/c/src/core/object/object.c:91
#2 0xf32522ce in pn_decref (object=0xee100738) at
/opt/jenkins_home/workspace/Qpid_release_build/qpid-proton-src/c/src/core/object/object.c:253
#3 0xf3ee0b50 in proton::internal::pn_ptr_base::decref (p=0xee100738) at
/opt/jenkins_home/workspace/Qpid_release_build/qpid-proton-src/cpp/src/object.cpp:31
#4 0x08eca58e in proton::internal::pn_ptr<pn_connection_t>::~pn_ptr
(this=0xaf5eeac, __in_chrg=<optimized out>) at
/opt/qpid-itr/include/proton/internal/object.hpp:55
#5 0x08ec7004 in proton::internal::object<pn_connection_t>::~object
(this=0xaf5eeac, __in_chrg=<optimized out>) at
/opt/qpid-itr/include/proton/internal/object.hpp:86
#6 0x08ede3be in proton::connection::~connection (this=0xaf5eea8,
__in_chrg=<optimized out>) at /opt/qpid-itr/include/proton/connection.hpp:45
#7 REST OF THE STACKTRACE
{code}
I looked through my own code and didn't find anything that would cause this
issue so I was wondering if the stacktrace is known and fixed in newer version
of qpid.
I ran my application through valgrind, but valgrind didn't find the memory
leak. That could be due to not crashing all the time.
It looks like a double free (pni_head_t) happening inside qpid. Although I'm
not entirely sure..
I was also curious if the number of items in this list needs to be decremented
every time when calling the pni_free_children destructor
static void pni_free_children(pn_list_t *children, pn_list_t *freed)
while (pn_list_size(children) > 0) { //added printf to print the children
pointers and there list size.
//pn_list_size(children) for list size
//printing pointer = children
children = 0xd039d4d8, list size = 1
children = 0xedc00a50, list size = 2568
children = 0xedc0c938, list size = 1
children = 0xedc00a50, list size = 2567
children = 0xedc0f890, list size = 18
children = 0xedc0f890, list size = 17
children = 0xedc0f890, list size = 17 <==This would need to be 16 right?
Received signal: Segmentation fault (11)
____________________ STACKTRACE:
#1 ip=0x0000000008a5f37f sp=0x00000000ef5f0d70 backtrace::SignalHandler(int) +
0x7f
#2 ip=0x00000000f76e2410 sp=0x00000000ef5f0d80 + 0x7f
#3 ip=0x00000000edc01858 sp=0x00000000ef5f135c + 0x7f
#4 ip=0x000000006e657264 sp=0x00000000f34512bc + 0x7f
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
