[
https://issues.apache.org/jira/browse/DISPATCH-848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17480583#comment-17480583
]
ASF GitHub Bot commented on DISPATCH-848:
-----------------------------------------
jiridanek commented on pull request #1052:
URL: https://github.com/apache/qpid-dispatch/pull/1052#issuecomment-1019454006
One more, it looks like they are exceedingly rare, but quite devastating
```
36: E Process 163489 error: exit code 1, expected 0
36: E qdrouterd -c INT.B.conf -I
/home/jdanek/repos/qpid/qpid-dispatch/python
36: E
/home/jdanek/repos/qpid/qpid-dispatch/cmake-build-debug-asan/tests/system_test.dir/system_tests_interior_sync_up/RouterTest/setUpClass/INT.B-2.cmd
36: E >>>>
36: E AddressSanitizer:DEADLYSIGNAL
36: E
=================================================================
36: E ==163489==ERROR: AddressSanitizer: SEGV on unknown address
(pc 0x7f631709656b bp 0x7fff5541b8a0 sp 0x7fff5541b870 T0)
36: E ==163489==The signal is caused by a READ memory access.
36: E ==163489==Hint: this fault was caused by a dereference of a
high value address (see register values below). Dissassemble the provided pc
to learn which register was used.
36: E #0 0x7f631709656b in PyVectorcall_Function.lto_priv.5
(/lib64/libpython3.10d.so.1.0+0x12f56b)
36: E #1 0x7f63170966e1 in
_PyObject_VectorcallTstate.lto_priv.5 (/lib64/libpython3.10d.so.1.0+0x12f6e1)
36: E #2 0x7f6317097df8 in _PyObject_CallFunctionVa
(/lib64/libpython3.10d.so.1.0+0x130df8)
36: E #3 0x7f6317097f49 in PyObject_CallFunction
(/lib64/libpython3.10d.so.1.0+0x130f49)
36: E #4 0x578623 in qd_io_rx_handler
/home/jdanek/repos/qpid/qpid-dispatch/src/python_embedded.c:669
36: E #5 0x612162 in qdr_forward_on_message
/home/jdanek/repos/qpid/qpid-dispatch/src/router_core/forwarder.c:335
36: E #6 0x64c6cb in qdr_general_handler
/home/jdanek/repos/qpid/qpid-dispatch/src/router_core/router_core.c:952
36: E #7 0x6383fe in qdr_core_free
/home/jdanek/repos/qpid/qpid-dispatch/src/router_core/router_core.c:272
36: E #8 0x6d28e2 in qd_router_free
/home/jdanek/repos/qpid/qpid-dispatch/src/router_node.c:2165
36: E #9 0x4ffbdd in qd_dispatch_free
/home/jdanek/repos/qpid/qpid-dispatch/src/dispatch.c:375
36: E #10 0x7067a9 in main_process
/home/jdanek/repos/qpid/qpid-dispatch/router/src/main.c:119
36: E #11 0x708607 in main
/home/jdanek/repos/qpid/qpid-dispatch/router/src/main.c:369
36: E #12 0x7f631639255f in __libc_start_call_main
(/lib64/libc.so.6+0x2d55f)
36: E #13 0x7f631639260b in __libc_start_main_impl
(/lib64/libc.so.6+0x2d60b)
36: E #14 0x42c2e4 in _start
(/home/jdanek/repos/qpid/qpid-dispatch/cmake-build-debug-asan/router/qdrouterd+0x42c2e4)
36: E
36: E AddressSanitizer can not provide additional info.
36: E SUMMARY: AddressSanitizer: SEGV
(/lib64/libpython3.10d.so.1.0+0x12f56b) in PyVectorcall_Function.lto_priv.5
36: E ==163489==ABORTING
36: E <<<<
36:
36: /home/jdanek/repos/qpid/qpid-dispatch/tests/system_test.py:788:
RuntimeError
36: =========================== short test summary info
============================
36: ERROR ::RouterTest::test_interior_sync_up - RuntimeError: Errors during
teard...
36: !!!!!!!!!!!!!!!!!!!!!!!!!! stopping after 1 failures
!!!!!!!!!!!!!!!!!!!!!!!!!!!
36: ========================= 1 passed, 1 error in 39.23s
==========================
Test #36: system_tests_interior_sync_up ....***Failed 40.18 sec
```
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> Direct leak of 48 byte(s) in 1 object(s) allocated from qdr_core_subscribe in
> router_core/route_tables.c:149
> ------------------------------------------------------------------------------------------------------------
>
> Key: DISPATCH-848
> URL: https://issues.apache.org/jira/browse/DISPATCH-848
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Tests
> Affects Versions: 1.1.0
> Environment: Git tip of Proton and Dtspatch, commit hashes follow
> {noformat}
> commit aece4ad2f4e4eb2d141020c59c393a30a79f53a9 (upstream/master)
> Author: Andrew Stitcher <astitc...@apache.org>
> PROTON-1609: Fix C++ example flags
> {noformat}
> {noformat}
> commit 18c5f8d6293de4227c8c17ef08675cb4eaef689c (HEAD -> master,
> upstream/master)
> Author: Ganesh Murthy <gmur...@redhat.com>
> NO-JIRA - Removed accidental printf inclusion
> {noformat}
> Reporter: Jiri Daněk
> Priority: Minor
> Labels: memory-bug
> Fix For: Backlog
>
> Attachments: LSan.supp
>
>
> Compile Proton and Dispatch with the Address Sanitizer option (c.f.
> DISPATCH-809) and run ctest
> {noformat}
> # proton
> cmake .. -DBUILD_GO=OFF -DENABLE_SANITIZERS=ON
> -DCMAKE_INSTALL_PREFIX=../install_asan -DCMAKE_BUILD_TYPE=Release -GNinja
> {noformat}
> {noformat}
> # dispatch
> cmake .. -DUSE_SANITIZERS=ON
> -DProton_DIR=`pwd`/../../qpid-proton/install_asan/lib64/cmake/Proton/
> -DCMAKE_BUILD_TYPE=Release -GNinja
> LD_PRELOAD=/nix/store/zahs1kwq4742f6l6h7yy4mdj44zzc1kd-gcc-7-20170409-lib/lib/libasan.so
> ASAN_OPTIONS=symbolize=1,color=always
> LSAN_OPTIONS=suppressions=`pwd`/../../qpid-proton/LSan.supp
> PYTHONPATH=`pwd`/../../qpid-proton/install_asan/lib64/proton/bindings/python
> LD_LIBRARY_PATH=`pwd`/../../qpid-proton/install_asan/lib64 ctest -VV
> {noformat}
> {noformat}
> [...]
> 9: Test Case parse_tree_tests.test_matches: PASS
> 9: Test Case parse_tree_tests.test_multiple_matches: PASS
> 9:
> 9: =================================================================
> 9: ==25904==ERROR: LeakSanitizer: detected memory leaks
> 9:
> 9: Direct leak of 48 byte(s) in 1 object(s) allocated from:
> 9: #0 0x7fb5442cb050 in __interceptor_malloc
> (/nix/store/zahs1kwq4742f6l6h7yy4mdj44zzc1kd-gcc-7-20170409-lib/lib/libasan.so+0xd9050)
> 9: #1 0x7fb543dd94fe in qdr_core_subscribe
> ../src/router_core/route_tables.c:149
> 9: #2 0x7fb543d89ff0 in IoAdapter_init ../src/python_embedded.c:548
> 9: #3 0x7fb542ba8ecd in type_call
> (/nix/store/1snk2wkpv97an87pk1842fgskl1vqhkr-python-2.7.14/lib/libpython2.7.so.1.0+0x9fecd)
> 9:
> 9: -----------------------------------------------------
> 9: Suppressions used:
> 9: count bytes template
> 9: 1310 2021760 dictresize
> 9: 204 188272 _PyObject_GC_Malloc
> 9: 45 39369 PyString_FromStringAndSize
> 9: 308 15056 list_resize
> 9: 11 9784 PyString_FromString
> 9: 2 1280 _PyObject_GC_Resize
> 9: 1035 24104 PyList_New
> 9: 14 672 s_init
> 9: 1 32 PyThread_allocate_lock
> 9: 11 11097 type_new
> 9: 3 3984 unicode_resize
> 9: 179 204712 _PyUnicode_New.part.8
> 9: 11 8028 PyObject_Realloc
> 9: 37 120 _ctypes_alloc_format_string
> 9: 3 24576 set_table_resize
> 9: -----------------------------------------------------
> 9:
> 9: SUMMARY: AddressSanitizer: 48 byte(s) leaked in 1 allocation(s).
> 9/36 Test #9: unit_tests ................................***Failed 0.21
> sec
> {noformat}
> The relevant functions are
> {code}
> static int IoAdapter_init(IoAdapter *self, PyObject *args, PyObject *kwds)
> {
> PyObject *addr;
> char aclass = 'L';
> char phase = '0';
> int treatment = QD_TREATMENT_ANYCAST_CLOSEST;
> if (!PyArg_ParseTuple(args, "OO|cci", &self->handler, &addr, &aclass,
> &phase, &treatment))
> return -1;
> if (!PyCallable_Check(self->handler)) {
> PyErr_SetString(PyExc_TypeError, "IoAdapter.__init__ handler is not
> callable");
> return -1;
> }
> if (treatment == QD_TREATMENT_ANYCAST_BALANCED) {
> PyErr_SetString(PyExc_TypeError, "IoAdapter: ANYCAST_BALANCED is not
> supported for in-process subscriptions");
> return -1;
> }
> Py_INCREF(self->handler);
> self->qd = dispatch;
> self->core = qd_router_core(self->qd);
> const char *address = PyString_AsString(addr);
> if (!address) return -1;
> qd_error_clear();
> self->sub = qdr_core_subscribe(self->core, address, aclass, phase,
> treatment, qd_io_rx_handler, self);
> if (qd_error_code()) {
> PyErr_SetString(PyExc_RuntimeError, qd_error_message());
> return -1;
> }
> return 0;
> }
> {code}
> {code}
> static void IoAdapter_dealloc(IoAdapter* self)
> {
> qdr_core_unsubscribe(self->sub);
> Py_DECREF(self->handler);
> self->ob_type->tp_free((PyObject*)self);
> }
> {code}
> {code}
> static PyTypeObject IoAdapterType = {
> PyObject_HEAD_INIT(0)
> 0, /* ob_size*/
> DISPATCH_MODULE ".IoAdapter", /* tp_name*/
> sizeof(IoAdapter), /* tp_basicsize*/
> 0, /* tp_itemsize*/
> (destructor)IoAdapter_dealloc, /* tp_dealloc*/
> 0, /* tp_print*/
> 0, /* tp_getattr*/
> 0, /* tp_setattr*/
> 0, /* tp_compare*/
> 0, /* tp_repr*/
> 0, /* tp_as_number*/
> 0, /* tp_as_sequence*/
> 0, /* tp_as_mapping*/
> 0, /* tp_hash */
> 0, /* tp_call*/
> 0, /* tp_str*/
> 0, /* tp_getattro*/
> 0, /* tp_setattro*/
> 0, /* tp_as_buffer*/
> Py_TPFLAGS_DEFAULT, /* tp_flags*/
> "Dispatch IO Adapter", /* tp_doc */
> 0, /* tp_traverse */
> 0, /* tp_clear */
> 0, /* tp_richcompare */
> 0, /* tp_weaklistoffset */
> 0, /* tp_iter */
> 0, /* tp_iternext */
> IoAdapter_methods, /* tp_methods */
> 0, /* tp_members */
> 0, /* tp_getset */
> 0, /* tp_base */
> 0, /* tp_dict */
> 0, /* tp_descr_get */
> 0, /* tp_descr_set */
> 0, /* tp_dictoffset */
> (initproc)IoAdapter_init, /* tp_init */
> 0, /* tp_alloc */
> 0, /* tp_new */
> 0, /* tp_free */
> 0, /* tp_is_gc */
> 0, /* tp_bases */
> 0, /* tp_mro */
> 0, /* tp_cache */
> 0, /* tp_subclasses */
> 0, /* tp_weaklist */
> 0, /* tp_del */
> 0 /* tp_version_tag */
> };
> {code}
> I believe that there is indeed nothing that would free the {{sub}} field in
> {{IoAdapter}}.
> Depending on how this is triaged (real issue or not, I am myself a bit unsure
> about freeing memory in relation to Python) I may have more reports coming.
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