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https://issues.apache.org/jira/browse/DISPATCH-929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiri Daněk updated DISPATCH-929:
--------------------------------
Labels: memory-bug (was: )
> dangling connection pointer in epoll proactor(?)
> ------------------------------------------------
>
> Key: DISPATCH-929
> URL: https://issues.apache.org/jira/browse/DISPATCH-929
> Project: Qpid Dispatch
> Issue Type: Bug
> Reporter: Gordon Sim
> Priority: Major
> Labels: memory-bug
> Fix For: Backlog
>
>
> As yet have no clear reproducer, but observed crashes under CI for a system
> that uses the router which under valgrind log the following:
> {noformat}
> 2018-02-16 00:00:38.220403 +0000 SERVER (info) Connection from
> 172.17.0.15:40592 (to 0.0.0.0:55671) failed: amqp:connection:framing-error
> SSL Failure: error:140940E5:SSL routines:ssl3_read_bytes:ssl handshake fa
> ilure
> 2018-02-16 00:00:38.222489 +0000 SERVER (info) Connection from
> 172.17.0.15:40590 (to 0.0.0.0:55671) failed: amqp:connection:framing-error
> SSL Failure: error:140940E5:SSL routines:ssl3_read_bytes:ssl handshake fa
> ilure
> 2018-02-16 00:00:38.224534 +0000 SERVER (info) Connection from
> 172.17.0.15:40586 (to 0.0.0.0:55671) failed: amqp:connection:framing-error
> SSL Failure: Unknown error
> ==1== Invalid read of size 4
> ==1== at 0x50B0E00: pthread_mutex_lock (in /usr/lib64/libpthread-2.24.so)
> ==1== by 0x58C9C68: lock (epoll.c:113)
> ==1== by 0x58C9C68: memory_barrier (epoll.c:142)
> ==1== by 0x58C9C68: proactor_do_epoll (epoll.c:2016)
> ==1== by 0x4E89998: thread_run (server.c:936)
> ==1== by 0x4E89A6D: qd_server_run (server.c:1199)
> ==1== by 0x401853: main_process (main.c:111)
> ==1== by 0x401603: main (main.c:318)
> ==1== Address 0x8d76878 is 72 bytes inside a block of size 1,824 free'd
> ==1== at 0x4C2ED4A: free (vg_replace_malloc.c:530)
> ==1== by 0x569A985: pn_class_decref (object.c:101)
> ==1== by 0x58CB01B: pconnection_done (epoll.c:965)
> ==1== by 0x58CB01B: pn_proactor_done (epoll.c:2054)
> ==1== by 0x4E899E3: thread_run (server.c:941)
> ==1== by 0x50AE739: start_thread (in /usr/lib64/libpthread-2.24.so)
> ==1== by 0x53CCE7E: clone (in /usr/lib64/libc-2.24.so)
> ==1== Block was alloc'd at
> ==1== at 0x4C2FA50: calloc (vg_replace_malloc.c:711)
> ==1== by 0x569A851: pn_object_new (object.c:202)
> ==1== by 0x569A8CB: pn_class_new (object.c:61)
> ==1== by 0x58CA677: pn_listener_accept2 (epoll.c:1717)
> ==1== by 0x4E88E6A: on_accept (server.c:550)
> ==1== by 0x4E88E6A: handle_listener (server.c:709)
> ==1== by 0x4E88E6A: handle (server.c:860)
> ==1== by 0x4E899B7: thread_run (server.c:939)
> ==1== by 0x4E89A6D: qd_server_run (server.c:1199)
> ==1== by 0x401853: main_process (main.c:111)
> ==1== by 0x401603: main (main.c:318)
> {noformat}
> All instances of the error did seem to have the ssl handshake failure error.
> However even if I trigger that error, I can't reproduce the invalid read yet.
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