[DISPATCH-2098] Crash when ctrl-c on router that has a libwebsockets listener connected to a console (2)

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.16.0
• Component/s: Routing Engine
• Assignee: Jiri Daněk
• Reporter: Charles E. Rolke
• Created: 04/May/21 00:53
• Updated: 23/Jul/21 12:44
• Resolved: 04/May/21 17:32

Description

This crash seems similar to DISPATCH-857 except that it is happening on qpid-dispatch main @ 8545a425.

Process console

qdrouterd: /home/chug/git/qpid-dispatch/src/posix/threading.c:58: sys_mutex_lock: Assertion `result == 0' failed.

gdb backtrace

> gdb qdrouterd core.qdrouterd.1102256
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Reading symbols from qdrouterd...
[New LWP 1102256]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib64/libthread_db.so.1".
Core was generated by `qdrouterd -c INTA.conf'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f310faed9e5 in raise () from /usr/lib64/libc.so.6
Missing separate debuginfos, use: dnf debuginfo-install cyrus-sasl-gssapi-2.1.27-4.fc32.x86_64 cyrus-sasl-lib-2.1.27-4.fc32.x86_64 cyrus-sasl-md5-2.1.27-4.fc32.x86_64 cyrus-sasl-plain-2.1.27-4.fc32.x86_64 glibc-2.31-4.fc32.x86_64 keyutils-libs-1.6-4.fc32.x86_64 krb5-libs-1.18.2-29.fc32.x86_64 libcom_err-1.45.5-3.fc32.x86_64 libdb-5.3.28-40.fc32.x86_64 libev-4.31-2.fc32.x86_64 libffi-3.1-24.fc32.x86_64 libgcc-10.2.1-9.fc32.x86_64 libselinux-3.0-5.fc32.x86_64 libuv-1.39.0-1.fc32.x86_64 libwebsockets-3.2.2-2.fc32.x86_64 libxcrypt-4.4.17-1.fc32.x86_64 openssl-libs-1.1.1g-1.fc32.x86_64 pcre2-10.35-8.fc32.x86_64 python3-libs-3.8.6-1.fc32.x86_64 zlib-1.2.11-21.fc32.x86_64
(gdb) bt
#0  0x00007f310faed9e5 in raise () from /usr/lib64/libc.so.6
#1  0x00007f310fad6895 in abort () from /usr/lib64/libc.so.6
#2  0x00007f310fad6769 in __assert_fail_base.cold () from /usr/lib64/libc.so.6
#3  0x00007f310fae5e76 in __assert_fail () from /usr/lib64/libc.so.6
#4  0x00007f3110138e05 in sys_mutex_lock (mutex=0x2182800) at /home/chug/git/qpid-dispatch/src/posix/threading.c:58
#5  0x00007f311011a02f in notify_closed (container=0x216ab80, conn=0x7f30f4016e90, context=0x7f30f4033690) at /home/chug/git/qpid-dispatch/src/container.c:302
#6  0x00007f311011a334 in close_handler (container=0x216ab80, conn=0x7f30f4112510, qd_conn=0x7f30f4016e90) at /home/chug/git/qpid-dispatch/src/container.c:375
#7  0x00007f311011b6c1 in qd_container_handle_event (container=0x216ab80, event=0x2134690, conn=0x7f30f4112510, qd_conn=0x7f30f4016e90) at /home/chug/git/qpid-dispatch/src/container.c:751
#8  0x00007f3110187180 in handle (qd_server=0x2130700, e=0x2134690, pn_conn=0x7f30f4112510, ctx=0x7f30f4016e90) at /home/chug/git/qpid-dispatch/src/server.c:1096
#9  0x00007f31101892c4 in qd_connection_handle (c=0x7f30f4016e90, e=0x2134690) at /home/chug/git/qpid-dispatch/src/server.c:1777
#10 0x00007f311018afa2 in handle_events (c=0x7f30f40476f0) at /home/chug/git/qpid-dispatch/src/http-libwebsockets.c:179
#11 0x00007f311018ce96 in callback_amqpws (wsi=0x7f30f40a4d80, reason=LWS_CALLBACK_CLOSED, user=0x7f30f40476f0, in=0x0, len=0) at /home/chug/git/qpid-dispatch/src/http-libwebsockets.c:880
#12 0x00007f310fc95d8e in __lws_close_free_wsi.part.0 () from /usr/lib64/libwebsockets.so.15
#13 0x00007f310fc91379 in lws_context_destroy () from /usr/lib64/libwebsockets.so.15
#14 0x00007f311018d20b in qd_http_server_free (hs=0x2109d80) at /home/chug/git/qpid-dispatch/src/http-libwebsockets.c:954
#15 0x00007f3110187eaa in qd_server_free (qd_server=0x2130700) at /home/chug/git/qpid-dispatch/src/server.c:1383
#16 0x00007f311011e343 in qd_dispatch_free (qd=0x1fb5610) at /home/chug/git/qpid-dispatch/src/dispatch.c:373
#17 0x0000000000402626 in main_process (config_path=0x7ffe537887f3 "INTA.conf", python_pkgdir=0x404283 "/usr/lib/qpid-dispatch/python", test_hooks=false, fd=2)
    at /home/chug/git/qpid-dispatch/router/src/main.c:119
#18 0x00000000004030cf in main (argc=3, argv=0x7ffe53786d98) at /home/chug/git/qpid-dispatch/router/src/main.c:369

Issue Links

• is caused by: DISPATCH-1962 Make LSan suppressions more targeted and specific (within reason)