I had 2 of these in my coredump list.
Never noticed a thing :-/
Fun bit, haldis the backtrace talks about is an other box on my local lan.
drude:/var/lib # coredumpctl gdb 8153
PID: 8153 (gvfsd-dnssd)
UID: 1000 (bjolie)
GID: 100 (users)
Signal: 11 (SEGV)
Timestamp: l�. 2016-09-10 14:19:34 CEST (6h ago)
Command Line: /usr/lib/gvfs/gvfsd-dnssd --spawner :1.14
/org/gtk/gvfs/exec_spaw/6
Executable: /usr/lib/gvfs/gvfsd-dnssd
Control Group: /user.slice/user-1000.slice/session-1.scope
Unit: session-1.scope
Slice: user-1000.slice
Session: 1
Owner UID: 1000 (bjolie)
Boot ID: ac1123a5aef340a18a3023e5cd02f6b1
Machine ID: 7a76120bcb8ff82cb8550d3e544e5ee2
Hostname: drude
Coredump:
/var/lib/systemd/coredump/core.gvfsd-dnssd.1000.ac1123a5aef340a18a3023e5cd02f6b1.8153.1473509974000000.xz
Message: Process 8153 (gvfsd-dnssd) of user 1000 dumped core.
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Reading symbols from /usr/lib/gvfs/gvfsd-dnssd...Reading symbols from
/usr/lib/debug/usr/lib/gvfs/gvfsd-dnssd.debug...done.
done.
[New LWP 8153]
[New LWP 8156]
[New LWP 8157]
[New LWP 8161]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/lib/gvfs/gvfsd-dnssd --spawner :1.14
/org/gtk/gvfs/exec_spaw/6'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 g_list_prepend (list=0xaaaaaaaaaaaaaaaa, data=0x15fd770) at glist.c:317
317 glist.c: Ingen slik fil eller filkatalog.
[Current thread is 1 (Thread 0x7f151192d880 (LWP 8153))]
(gdb) bt
#0 g_list_prepend (list=0xaaaaaaaaaaaaaaaa, data=0x15fd770) at glist.c:317
#1 0x0000000000403da8 in browse_callback (b=<optimized out>, interface=3,
protocol=1, event=<optimized out>, name=0x160233c "haldis",
type=0x1602348 "_sftp-ssh._tcp", domain=0x160235c "local",
flags=AVAHI_LOOKUP_RESULT_MULTICAST, userdata=0x15f7090) at
gvfsbackenddnssd.c:632
#2 0x00007f1510ec1f41 in avahi_service_browser_event
(client=client@entry=0x15fec40, event=event@entry=AVAHI_BROWSER_NEW,
message=message@entry=0x16021c0) at browser.c:775
#3 0x00007f1510ebe62a in filter_func (bus=<optimized out>, message=0x16021c0,
userdata=0x15fec40) at client.c:245
#4 0x00007f150f6b3d81 in dbus_connection_dispatch (connection=0x15ff920) at
dbus-connection.c:4703
#5 0x00007f1510ec4b56 in dispatch_timeout_callback (t=<optimized out>,
userdata=0x15ff520) at ../avahi-common/dbus-watch-glue.c:105
#6 0x00007f15110cb720 in start_timeout_callback (t=0x15ff2a0) at
glib-watch.c:252
#7 dispatch_func (source=0x15feb70, callback=<optimized out>,
userdata=<optimized out>) at glib-watch.c:331
#8 0x00007f15103ea5e7 in g_main_dispatch (context=0x15df070) at gmain.c:3201
#9 g_main_context_dispatch (context=context@entry=0x15df070) at gmain.c:3854
#10 0x00007f15103ea850 in g_main_context_iterate (context=0x15df070,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at gmain.c:3927
#11 0x00007f15103eab72 in g_main_loop_run (loop=0x15ddb00) at gmain.c:4123
#12 0x0000000000404e5f in daemon_main (argc=argc@entry=4,
argv=argv@entry=0x7ffe6bf29ce8, max_job_threads=max_job_threads@entry=1,
default_type=default_type@entry=0x4056b6 "dns-sd",
mountable_name=mountable_name@entry=0x0,
first_type_name=first_type_name@entry=0x4056b6 "dns-sd") at
daemon-main.c:398
#13 0x000000000040322e in main (argc=4, argv=0x7ffe6bf29ce8) at
daemon-main-generic.c:45