Bug#916765: cups-browsed: Aborts when restarted with "BrowseFilter pdl postscript"
On Thu 20 Dec 2018 at 14:36:03 +0100, Bernhard Übelacker wrote:
> Hello Brian Potkin,
> I tried to have a look in a unstable VM, but unfortunately
> I get different offsets ...
>
> You might add the output of this command:
> dpkg -l | grep -E "cups-browsed|libc6|libglib|libavahi|libdbus" | sort
Attached as list.
> And what output did you receive from this command
> coredumpctl list
Thanks. All this is very new to me. I hope it is what is needed and
someone can interpret it!
root@test:~# coredumpctl list
TIME PID UID GID SIG COREFILE EXE
Thu 2018-12-20 15:06:03 GMT 966 0 0 6 present /usr/sbin/cups-browsed
> and following this command, with PID from the above output:
> coredumpctl gdb PID
> bt
> quit
Two attachments, one without cups-browsed-dbgsym installed (cdc-pid966).
The second contains only what is different from the first.
Regards,
Brian.
ii cups-browsed 1.21.6-2 i386 OpenPrinting CUPS Filters - cups-browsed
ii cups-browsed-dbgsym 1.21.6-2 i386 debug symbols for cups-browsed
ii libavahi-client3:i386 0.7-4+b1 i386 Avahi client library
ii libavahi-client-dev:i386 0.7-4+b1 i386 Development files for the Avahi client library
ii libavahi-common3:i386 0.7-4+b1 i386 Avahi common library
ii libavahi-common-data:i386 0.7-4+b1 i386 Avahi common data files
ii libavahi-common-dev:i386 0.7-4+b1 i386 Development files for the Avahi common library
ii libavahi-core7:i386 0.7-4+b1 i386 Avahi's embeddable mDNS/DNS-SD library
ii libavahi-glib1:i386 0.7-4+b1 i386 Avahi GLib integration library
ii libavahi-glib-dev:i386 0.7-4+b1 i386 Development headers for the Avahi GLib integration library
ii libc6-dbg:i386 2.28-3 i386 GNU C Library: detached debugging symbols
ii libc6-dev:i386 2.28-3 i386 GNU C Library: Development Libraries and Header Files
ii libc6:i386 2.28-3 i386 GNU C Library: Shared libraries
ii libdbus-1-3:i386 1.12.12-1 i386 simple interprocess messaging system (library)
ii libdbus-1-dev:i386 1.12.12-1 i386 simple interprocess messaging system (development headers)
ii libdbus-glib-1-2:i386 0.110-3 i386 deprecated library for D-Bus IPC
ii libdbusmenu-qt2:i386 0.9.3+16.04.20160218-1 i386 Qt implementation of the DBusMenu protocol
ii libdbusmenu-qt5-2:i386 0.9.3+16.04.20160218-1 i386 Qt implementation of the DBusMenu protocol
ii libglib2.0-0:i386 2.58.1-2 i386 GLib library of C routines
ii libglib2.0-bin 2.58.1-2 i386 Programs for the GLib library
ii libglib2.0-data 2.58.1-2 all Common files for GLib library
ii libglib2.0-dev-bin 2.58.1-2 i386 Development utilities for the GLib library
ii libglib2.0-dev:i386 2.58.1-2 i386 Development files for the GLib library
root@test:~# coredumpctl gdb 966
PID: 966 (cups-browsed)
UID: 0 (root)
GID: 0 (root)
Signal: 6 (ABRT)
Timestamp: Thu 2018-12-20 15:06:02 GMT (4min 8s ago)
Command Line: /usr/sbin/cups-browsed
Executable: /usr/sbin/cups-browsed
Control Group: /system.slice/cups-browsed.service
Unit: cups-browsed.service
Slice: system.slice
Boot ID: c07e532b4b1843218ade4f24c21110a5
Machine ID: b624baf6f24f4633a7a45d1833e04b63
Hostname: test
Storage: /var/lib/systemd/coredump/core.cups-browsed.0.c07e532b4b1843218ade4f24c21110a5.966.1545318362000000.lz4
Message: Process 966 (cups-browsed) of user 0 dumped core.
Stack trace of thread 966:
#0 0x00000000b7fa3d51 __kernel_vsyscall (linux-gate.so.1)
#1 0x00000000b78ca2d2 __libc_signal_restore_set (libc.so.6)
#2 0x00000000b78b42b6 __GI_abort (libc.so.6)
#3 0x00000000b790bc0c __libc_message (libc.so.6)
#4 0x00000000b7912a1d malloc_printerr (libc.so.6)
#5 0x00000000b79142bf _int_free (libc.so.6)
#6 0x00000000b7ee18f9 avahi_free (libavahi-common.so.3)
#7 0x0000000000500353 n/a (cups-browsed)
#8 0x00000000005021fb n/a (cups-browsed)
#9 0x00000000b7ed1d12 avahi_service_resolver_event (libavahi-client.so.3)
#10 0x00000000b7ecd1c1 n/a (libavahi-client.so.3)
#11 0x00000000b74ff1d7 dbus_connection_dispatch (libdbus-1.so.3)
#12 0x00000000b7ed3fe9 n/a (libavahi-client.so.3)
#13 0x00000000b7ec3a23 n/a (libavahi-glib.so.1)
#14 0x00000000b7b84b2d g_main_context_dispatch (libglib-2.0.so.0)
#15 0x00000000b7b84de9 n/a (libglib-2.0.so.0)
#16 0x00000000b7b85189 g_main_loop_run (libglib-2.0.so.0)
#17 0x00000000004f6b64 n/a (cups-browsed)
#18 0x00000000b78b5b41 __libc_start_main (libc.so.6)
#19 0x00000000004f78a1 n/a (cups-browsed)
Stack trace of thread 967:
#0 0x00000000b7fa3d51 __kernel_vsyscall (linux-gate.so.1)
#1 0x00000000b798a64b __GI___poll (libc.so.6)
t
#2 0x00000000b7b941b0 g_poll (libglib-2.0.so.0)
#3 0x00000000b7b84d53 n/a (libglib-2.0.so.0)
#4 0x00000000b7b84e94 g_main_context_iteration (libglib-2.0.so.0)
#5 0x00000000b7b84ef0 n/a (libglib-2.0.so.0)
#6 0x00000000b7bad8da n/a (libglib-2.0.so.0)
#7 0x00000000b7a81fd2 start_thread (libpthread.so.0)
#8 0x00000000b79951b6 __clone (libc.so.6)
Stack trace of thread 968:
#0 0x00000000b7fa3d51 __kernel_vsyscall (linux-gate.so.1)
#1 0x00000000b798a64b __GI___poll (libc.so.6)
#2 0x00000000b7b941b0 g_poll (libglib-2.0.so.0)
#3 0x00000000b7b84d53 n/a (libglib-2.0.so.0)
#4 0x00000000b7b85189 g_main_loop_run (libglib-2.0.so.0)
#5 0x00000000b7da1485 n/a (libgio-2.0.so.0)
#6 0x00000000b7bad8da n/a (libglib-2.0.so.0)
#7 0x00000000b7a81fd2 start_thread (libpthread.so.0)
#8 0x00000000b79951b6 __clone (libc.so.6)
(gdb) bt
#0 0xb7fa3d51 in __kernel_vsyscall ()
#1 0xb78ca2d2 in __libc_signal_restore_set (set=0xbfb632dc) at ../sysdeps/unix/sysv/linux/internal-signals.h:84
#2 0xb78ca2d2 in __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:48
#3 0xb78b42b6 in __GI_abort () at abort.c:79
#4 0xb790bc0c in __libc_message (action=do_abort, fmt=<optimized out>) at ../sysdeps/posix/libc_fatal.c:181
#5 0xb7912a1d in malloc_printerr (str=str@entry=0xb7a1e274 "double free or corruption (fasttop)") at malloc.c:5382
#6 0xb79142bf in _int_free (av=<optimized out>, p=<optimized out>, have_lock=<optimized out>) at malloc.c:4258
#7 0xb7ee18f9 in avahi_free () at /usr/lib/i386-linux-gnu/libavahi-common.so.3
#8 0x00500353 in ()
#9 0x005021fb in ()
#10 0xb7ed1d12 in avahi_service_resolver_event () at /usr/lib/i386-linux-gnu/libavahi-client.so.3
#11 0xb7ecd1c1 in () at /usr/lib/i386-linux-gnu/libavahi-client.so.3
#12 0xb74ff1d7 in dbus_connection_dispatch () at /lib/i386-linux-gnu/libdbus-1.so.3
#13 0xb7ed3fe9 in () at /usr/lib/i386-linux-gnu/libavahi-client.so.3
#14 0xb7ec3a23 in () at /usr/lib/i386-linux-gnu/libavahi-glib.so.1
#15 0xb7b84b2d in g_main_context_dispatch () at /usr/lib/i386-linux-gnu/libglib-2.0.so.0
#16 0xb7b84de9 in () at /usr/lib/i386-linux-gnu/libglib-2.0.so.0
#17 0xb7b85189 in g_main_loop_run () at /usr/lib/i386-linux-gnu/libglib-2.0.so.0
#18 0x004f6b64 in ()
#19 0xb78b5b41 in __libc_start_main (main=0x4f6260, argc=1, argv=0xbfb641a4, init=
0x50c980, fini=0x50c9e0, rtld_fini=0xb7fb5460 <_dl_fini>, stack_end=0xbfb6419c) at ../csu/libc-start.c:308
#20 0x004f78a1 in ()
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Reading symbols from /usr/sbin/cups-browsed...(no debugging symbols found)...done.
[New LWP 966]
[New LWP 967]
[New LWP 968]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/sbin/cups-browsed'.
Program terminated with signal SIGABRT, Aborted.
#0 0xb7fa3d51 in __kernel_vsyscall ()
[Current thread is 1 (Thread 0xb6973a40 (LWP 966))]
(gdb) bt
#0 0xb7fa3d51 in __kernel_vsyscall ()
#1 0xb78ca2d2 in __libc_signal_restore_set (set=0xbfb632dc) at ../sysdeps/unix/sysv/linux/internal-signals.h:84
#2 0xb78ca2d2 in __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:48
#3 0xb78b42b6 in __GI_abort () at abort.c:79
#4 0xb790bc0c in __libc_message (action=do_abort, fmt=<optimized out>) at ../sysdeps/posix/libc_fatal.c:181
#5 0xb7912a1d in malloc_printerr (str=str@entry=0xb7a1e274 "double free or corruption (fasttop)") at malloc.c:5382
#6 0xb79142bf in _int_free (av=<optimized out>, p=<optimized out>, have_lock=<optimized out>) at malloc.c:4258
#7 0xb7ee18f9 in avahi_free () at /usr/lib/i386-linux-gnu/libavahi-common.so.3
#8 0x00500353 in matched_filters
(txt=<optimized out>, domain=<optimized out>, service_name=<optimized out>, port=<optimized out>, host=<optimized out>, queue_name=<optimized out>) at utils/cups-browsed.c:5648
#9 0x00500353 in examine_discovered_printer_record
(host=<optimized out>, ip=<optimized out>, port=<optimized out>, resource=<optimized out>, service_name=<optimized out>, location=<optimized out>, info=<optimized out>, type=<optimized out>, domain=<optimized out>, txt=<optimized out>) at utils/cups-browsed.c:5919
#10 0x005021fb in resolve_callback
(r=0xb5607f20, interface=3, protocol=1, event=AVAHI_RESOLVER_FOUND, name=0x235758c "realq @ desktop", type=0x23575a0 "_ipp._tcp", domain=0x23575b0 "local", host_name=0x23575bc "desktop.local", address=0xbfb63d68, port=631, txt=0x233b210, flags=(AVAHI_LOOKUP_RESULT_CACHED | AVAHI_LOOKUP_RESULT_MULTICAST), userdata=0x231a5a0)
at utils/cups-browsed.c:6597
#11 0xb7ed1d12 in avahi_service_resolver_event () at /usr/lib/i386-linux-gnu/libavahi-client.so.3
#12 0xb7ecd1c1 in () at /usr/lib/i386-linux-gnu/libavahi-client.so.3
#13 0xb74ff1d7 in dbus_connection_dispatch () at /lib/i386-linux-gnu/libdbus-1.so.3
#14 0xb7ed3fe9 in () at /usr/lib/i386-linux-gnu/libavahi-client.so.3
#15 0xb7ec3a23 in () at /usr/lib/i386-linux-gnu/libavahi-glib.so.1
#16 0xb7b84b2d in g_main_context_dispatch () at /usr/lib/i386-linux-gnu/libglib-2.0.so.0
#17 0xb7b84de9 in () at /usr/lib/i386-linux-gnu/libglib-2.0.so.0
#18 0xb7b85189 in g_main_loop_run () at /usr/lib/i386-linux-gnu/libglib-2.0.so.0
#19 0x004f6b64 in main (argc=<optimized out>, argv=<optimized out>) at utils/cups-browsed.c:8903
(gdb)
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