Comment 10 for bug 1686173

I just got a SIGSEGV from using pinta 1.6-2 the first time.

I opened two images, and used the rectangle select tool. Nothing more.

Dunno if this this is the same bug as previously reported:

=================================================================
 Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

=================================================================
 Native stacktrace:
=================================================================
 0x5557e66e1eb5 - /usr/bin/mono : (null)
 0x5557e66e2250 - /usr/bin/mono : (null)
 0x5557e668f129 - /usr/bin/mono : (null)
 0x5557e66db9c1 - /usr/bin/mono : (null)
 0x7f29ee1d5d3e - /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 : g_slice_free_chain_with_offset

=================================================================
 Telemetry Dumper:
=================================================================
Pkilling 0x7f29f25d7780 from 0x7f29f1eb7700
Could not exec mono-hang-watchdog, expected on path '/etc/../bin/mono-hang-watchdog' (errno 2)
Entering thread summarizer pause from 0x7f29f1eb7700
Finished thread summarizer pause from 0x7f29f1eb7700.

Waiting for dumping threads to resume

(Pinta:92051): GLib-CRITICAL **: 10:24:03.253: Source ID 1431 was not found when attempting to remove it

=================================================================
 External Debugger Dump:
=================================================================
[New LWP 92052]
[New LWP 92053]
[New LWP 92054]
[New LWP 92055]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f29ede61113 in ?? () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
  Id Target Id Frame
* 1 Thread 0x7f29f25d7780 (LWP 92051) "mono" 0x00007f29ede61113 in ?? () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
  2 Thread 0x7f29f17ff700 (LWP 92052) "SGen worker" futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557e6ad3e08) at ../sysdeps/nptl/futex-internal.h:183
  3 Thread 0x7f29f1eb7700 (LWP 92053) "Finalizer" 0x00007f29f26c1dff in __GI___wait4 (pid=92109, stat_loc=0x7f29f1eb5d14, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27
  4 Thread 0x7f29ed4da700 (LWP 92054) "gmain" 0x00007f29f26f1aff in __GI___poll (fds=0x5557e8141ce0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  5 Thread 0x7f29eccd9700 (LWP 92055) "gdbus" 0x00007f29f26f1aff in __GI___poll (fds=0x5557e814f460, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29

Thread 5 (Thread 0x7f29eccd9700 (LWP 92055)):
#0 0x00007f29f26f1aff in __GI___poll (fds=0x5557e814f460, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f29ee1b71ae in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f29ee1b7533 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f29ee474eda in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4 0x00007f29ee1e0931 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f29f27f2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007f29f26fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f29ed4da700 (LWP 92054)):
#0 0x00007f29f26f1aff in __GI___poll (fds=0x5557e8141ce0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f29ee1b71ae in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f29ee1b72e3 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f29ee1b7331 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f29ee1e0931 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f29f27f2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007f29f26fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f29f1eb7700 (LWP 92053)):
#0 0x00007f29f26c1dff in __GI___wait4 (pid=92109, stat_loc=0x7f29f1eb5d14, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27
#1 0x00005557e66e20bf in ()
#2 0x00005557e66e2250 in ()
#3 0x00005557e668f129 in ()
#4 0x00005557e66db9c1 in ()
#5 0x00007f29ee1d5d3e in g_slice_free_chain_with_offset () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6 0x0000000000000000 in ()

Thread 2 (Thread 0x7f29f17ff700 (LWP 92052)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557e6ad3e08) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5557e6ad3e20, cond=0x5557e6ad3de0) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x5557e6ad3de0, mutex=0x5557e6ad3e20) at pthread_cond_wait.c:638
#3 0x00005557e6936dc6 in ()
#4 0x00007f29f27f2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5 0x00007f29f26fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f29f25d7780 (LWP 92051)):
#0 0x00007f29ede61113 in () at /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
#1 0x00007f29ede45d0e in () at /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
#2 0x00007f29eddfe7df in pixman_fill () at /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
#3 0x00007f29ee5930c9 in () at /usr/lib/x86_64-linux-gnu/libcairo.so.2
#4 0x00007f29ee5cb4aa in () at /usr/lib/x86_64-linux-gnu/libcairo.so.2
#5 0x00007f29ee5cbd2e in () at /usr/lib/x86_64-linux-gnu/libcairo.so.2
#6 0x00007f29ee5cbdb0 in () at /usr/lib/x86_64-linux-gnu/libcairo.so.2
#7 0x00007f29ee586f41 in () at /usr/lib/x86_64-linux-gnu/libcairo.so.2
#8 0x00007f29ee5d7d47 in () at /usr/lib/x86_64-linux-gnu/libcairo.so.2
#9 0x00007f29ee58ee1a in () at /usr/lib/x86_64-linux-gnu/libcairo.so.2
#10 0x00007f29ee5e4c99 in cairo_paint () at /usr/lib/x86_64-linux-gnu/libcairo.so.2
#11 0x00000000418989f3 in ()
#12 0x00007f29f18723f0 in ()
#13 0x00007f29f18f6488 in ()
#14 0x00007f29f1b06808 in ()
#15 0x00007f29f18f4358 in ()
#16 0x00007f29f1872910 in ()
#17 0x00007ffe83ed2178 in ()
#18 0x00007ffe83ed1a70 in ()
#19 0x00007ffe83ed19d0 in ()
#20 0x0000000000000000 in ()
[Inferior 1 (process 92051) detached]

=================================================================
 Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0x7f29ee1d5d3e):0x7f29ee1d5d2e 00 00 48 8b 04 24 44 8b 0d fd 6f 0b 00 4d 89 fd ..H..$D...o..M..
0x7f29ee1d5d3e 4d 8b 3c 07 45 85 c9 74 15 48 8b 74 24 08 4c 89 M.<.E..t.H.t$.L.
0x7f29ee1d5d4e ef e8 4c e6 ff ff 85 c0 0f 84 f8 cd fa ff 48 8b ..L...........H.
0x7f29ee1d5d5e 05 c5 6f 0b 00 31 d2 49 8b 74 24 08 b9 04 00 00 ..o..1.I.t$.....

=================================================================
 Managed Stacktrace:
=================================================================
   at <unknown> <0xffffffff>
   at GLib.SList:g_slist_free <0x000a2>
   at GLib.SList:Free <0x00047>
   at GLib.ListBase:FreeList <0x0004e>
   at GLib.ListBase:Empty <0x001d7>
   at GLib.ListBase:Dispose <0x0002b>
   at GLib.ListBase:Finalize <0x00035>
   at System.Object:runtime_invoke_virtual_void__this__ <0x0008c>
=================================================================
Aborted (core dumped)