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Posted to dev@qpid.apache.org by "Ganesh Murthy (JIRA)" <ji...@apache.org> on 2016/10/17 18:12:58 UTC

[jira] [Comment Edited] (DISPATCH-353) segfault in qd_entity_refresh_connection

    [ https://issues.apache.org/jira/browse/DISPATCH-353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15582969#comment-15582969 ] 

Ganesh Murthy edited comment on DISPATCH-353 at 10/17/16 6:12 PM:
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The fix to DISPATCH-414 fixed this issue. Please reopen this issue if you see the problem still happening.


was (Author: ganeshmurthy):
The fix to DISPATCH-414 fixed this issue.

> segfault in qd_entity_refresh_connection
> ----------------------------------------
>
>                 Key: DISPATCH-353
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-353
>             Project: Qpid Dispatch
>          Issue Type: Bug
>    Affects Versions: 0.6.0
>            Reporter: Gordon Sim
>            Assignee: Ganesh Murthy
>             Fix For: 0.7.0
>
>
> {noformat}
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x00007fa9828c091c in qd_entity_refresh_connection (entity=0x7fa97508eb40, impl=0x7fa960015480) at /home/gordon/projects/dispatch/src/server.c:342
> 342	        conn->connector ? conn->connector->config : conn->listener->config;
> [Current thread is 1 (Thread 0x7fa96ffff700 (LWP 31641))]
> Missing separate debuginfos, use: dnf debuginfo-install cyrus-sasl-gssapi-2.1.26-25.2.fc23.x86_64 cyrus-sasl-lib-2.1.26-25.2.fc23.x86_64 cyrus-sasl-md5-2.1.26-25.2.fc23.x86_64 cyrus-sasl-plain-2.1.26-25.2.fc23.x86_64 cyrus-sasl-scram-2.1.26-25.2.fc23.x86_64 glibc-2.22-11.fc23.x86_64 keyutils-libs-1.5.9-7.fc23.x86_64 krb5-libs-1.14.1-3.fc23.x86_64 libcom_err-1.42.13-3.fc23.x86_64 libdb-5.3.28-13.fc23.x86_64 libffi-3.1-8.fc23.x86_64 libselinux-2.4-4.fc23.x86_64 nss-softokn-freebl-3.23.0-1.0.fc23.x86_64 openssl-libs-1.0.2g-2.fc23.x86_64 pcre-8.38-7.fc23.x86_64 python-libs-2.7.10-8.fc23.x86_64 sssd-client-1.13.3-5.fc23.x86_64 zlib-1.2.8-9.fc23.x86_64
> (gdb) bt
> #0  0x00007fa9828c091c in qd_entity_refresh_connection (entity=0x7fa97508eb40, impl=0x7fa960015480) at /home/gordon/projects/dispatch/src/server.c:342
> #1  0x00007fa977eaad30 in ffi_call_unix64 () from /lib64/libffi.so.6
> #2  0x00007fa977eaa79b in ffi_call () from /lib64/libffi.so.6
> #3  0x00007fa9780bddaf in _ctypes_callproc () from /usr/lib64/python2.7/lib-dynload/_ctypes.so
> #4  0x00007fa9780b79d4 in PyCFuncPtr_call () from /usr/lib64/python2.7/lib-dynload/_ctypes.so
> #5  0x00007fa981c92b03 in PyObject_Call () from /lib64/libpython2.7.so.1.0
> #6  0x00007fa981d28a68 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
> #7  0x00007fa981d2a666 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
> #8  0x00007fa981d2a666 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
> #9  0x00007fa981d2b6b4 in PyEval_EvalCodeEx () from /lib64/libpython2.7.so.1.0
> #10 0x00007fa981d2a5c6 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
> #11 0x00007fa981d2b6b4 in PyEval_EvalCodeEx () from /lib64/libpython2.7.so.1.0
> #12 0x00007fa981cb75ac in function_call () from /lib64/libpython2.7.so.1.0
> #13 0x00007fa981c92b03 in PyObject_Call () from /lib64/libpython2.7.so.1.0
> #14 0x00007fa981ca195c in instancemethod_call () from /lib64/libpython2.7.so.1.0
> #15 0x00007fa981c92b03 in PyObject_Call () from /lib64/libpython2.7.so.1.0
> #16 0x00007fa981c92be5 in call_function_tail () from /lib64/libpython2.7.so.1.0
> #17 0x00007fa981c92cce in PyObject_CallFunction () from /lib64/libpython2.7.so.1.0
> #18 0x00007fa9828b0917 in qd_io_rx_handler (context=0x7fa975026fc0, msg=0x1a1e8c0, link_id=0) at /home/gordon/projects/dispatch/src/python_embedded.c:516
> #19 0x00007fa9828b6be2 in qdr_forward_on_message (core=<optimized out>, work=0x7fa97004d7c0) at /home/gordon/projects/dispatch/src/router_core/forwarder.c:121
> #20 0x00007fa9828b8d34 in qdr_general_handler (context=0x199e180) at /home/gordon/projects/dispatch/src/router_core/router_core.c:341
> #21 0x00007fa9828c11e5 in thread_run (arg=0x19b79d0) at /home/gordon/projects/dispatch/src/server.c:822
> #22 0x00007fa98242460a in start_thread () from /lib64/libpthread.so.0
> #23 0x00007fa981989a4d in clone () from /lib64/libc.so.6
> (gdb) frame 0
> #0  0x00007fa9828c091c in qd_entity_refresh_connection (entity=0x7fa97508eb40, impl=0x7fa960015480) at /home/gordon/projects/dispatch/src/server.c:342
> 342	        conn->connector ? conn->connector->config : conn->listener->config;
> (gdb) print conn
> $1 = (qd_connection_t *) 0x7fa960015480
> (gdb) print conn->connector
> $2 = (qd_connector_t *) 0x0
> (gdb) print conn->listener
> $3 = (qd_listener_t *) 0x0
> (gdb) 
> {noformat}
> I don't have the exact steps that caused this yet, but core dump shows the basic problem: neither connector nor listener is set and there is no check for this.



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