Using Manjaro with KDE Plasma X11. GIMP crashed while using the Scale tool.

```
GNU Image Manipulation Program version 2.10.8
git-describe: GIMP_2_10_6-294-ga967e8d2c2
C compiler:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --enable-libmpx --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --enable-gnu-indirect-function --enable-multilib --disable-werror --enable-checking=release --enable-default-pie --enable-default-ssp --enable-cet=auto
Thread model: posix
gcc version 8.2.1 20180831 (GCC)

using GEGL version 0.4.13 (compiled against version 0.4.12)
using GLib version 2.60.0 (compiled against version 2.58.1)
using GdkPixbuf version 2.38.1 (compiled against version 2.38.0)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.43.0 (compiled against version 1.42.3)
using Fontconfig version 2.13.1 (compiled against version 2.13.1)
using Cairo version 1.16.0 (compiled against version 1.16.0)

```
> fatal error: Aborted

Stack trace:
```

# Stack traces obtained from PID 3962 - Thread 3962 #

[New LWP 3964]
[New LWP 3965]
[New LWP 3966]
[New LWP 3967]
[New LWP 3968]
[New LWP 3969]
[New LWP 3970]
[New LWP 3971]
[New LWP 3972]
[New LWP 3984]
[New LWP 4003]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
0x00007fb7994f2184 in read () from /usr/lib/libpthread.so.0
Id Target Id Frame
* 1 Thread 0x7fb797ccdd40 (LWP 3962) "gimp-2.10" 0x00007fb7994f2184 in read () from /usr/lib/libpthread.so.0
2 Thread 0x7fb79754f700 (LWP 3964) "worker" 0x00007fb7994134ed in syscall () from /usr/lib/libc.so.6
3 Thread 0x7fb796d4e700 (LWP 3965) "worker" 0x00007fb7994134ed in syscall () from /usr/lib/libc.so.6
4 Thread 0x7fb79654d700 (LWP 3966) "worker" 0x00007fb7994134ed in syscall () from /usr/lib/libc.so.6
5 Thread 0x7fb7951c1700 (LWP 3967) "gmain" 0x00007fb79940dc21 in poll () from /usr/lib/libc.so.6
6 Thread 0x7fb7949c0700 (LWP 3968) "gdbus" 0x00007fb79940dc21 in poll () from /usr/lib/libc.so.6
7 Thread 0x7fb77a52f700 (LWP 3969) "async" 0x00007fb7994134ed in syscall () from /usr/lib/libc.so.6
8 Thread 0x7fb779d2e700 (LWP 3970) "worker" 0x00007fb7994134ed in syscall () from /usr/lib/libc.so.6
9 Thread 0x7fb77952d700 (LWP 3971) "worker" 0x00007fb7994134ed in syscall () from /usr/lib/libc.so.6
10 Thread 0x7fb778d2c700 (LWP 3972) "worker" 0x00007fb7994134ed in syscall () from /usr/lib/libc.so.6
11 Thread 0x7fb76371e700 (LWP 3984) "threaded-ml" 0x00007fb79940dc21 in poll () from /usr/lib/libc.so.6
12 Thread 0x7fb7613e9700 (LWP 4003) "swap writer" 0x00007fb7994134ed in syscall () from /usr/lib/libc.so.6

Thread 12 (Thread 0x7fb7613e9700 (LWP 4003)):
#0 0x00007fb7994134ed in syscall () at /usr/lib/libc.so.6
#1 0x00007fb7996a4461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x00007fb799ed913e in () at /usr/lib/libgegl-0.4.so.0
#3 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fb76371e700 (LWP 3984)):
#0 0x00007fb79940dc21 in poll () at /usr/lib/libc.so.6
#1 0x00007fb7628de673 in () at /usr/lib/libpulse.so.0
#2 0x00007fb7628cf990 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#3 0x00007fb7628cffe0 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4 0x00007fb7628d0091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5 0x00007fb7628de5ae in () at /usr/lib/libpulse.so.0
#6 0x00007fb76267d9fc in () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#7 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fb778d2c700 (LWP 3972)):
#0 0x00007fb7994134ed in syscall () at /usr/lib/libc.so.6
#1 0x00007fb7996a4461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x000055c90468bae4 in ()
#3 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fb77952d700 (LWP 3971)):
#0 0x00007fb7994134ed in syscall () at /usr/lib/libc.so.6
#1 0x00007fb7996a4461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x000055c90468bae4 in ()
#3 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fb779d2e700 (LWP 3970)):
#0 0x00007fb7994134ed in syscall () at /usr/lib/libc.so.6
#1 0x00007fb7996a4461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x000055c90468bae4 in ()
#3 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fb77a52f700 (LWP 3969)):
#0 0x00007fb7994134ed in syscall () at /usr/lib/libc.so.6
#1 0x00007fb7996a4461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x000055c90468bd55 in ()
#3 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fb7949c0700 (LWP 3968)):
#0 0x00007fb79940dc21 in poll () at /usr/lib/libc.so.6
#1 0x00007fb7996f6690 in () at /usr/lib/libglib-2.0.so.0
#2 0x00007fb7996f76d2 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3 0x00007fb79988b568 in () at /usr/lib/libgio-2.0.so.0
#4 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#5 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fb7951c1700 (LWP 3967)):
#0 0x00007fb79940dc21 in poll () at /usr/lib/libc.so.6
#1 0x00007fb7996f6690 in () at /usr/lib/libglib-2.0.so.0
#2 0x00007fb7996f677e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3 0x00007fb7996f67d2 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#5 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fb79654d700 (LWP 3966)):
#0 0x00007fb7994134ed in syscall () at /usr/lib/libc.so.6
#1 0x00007fb7996a4461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x00007fb799ea5174 in () at /usr/lib/libgegl-0.4.so.0
#3 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fb796d4e700 (LWP 3965)):
#0 0x00007fb7994134ed in syscall () at /usr/lib/libc.so.6
#1 0x00007fb7996a4461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x00007fb799ea5174 in () at /usr/lib/libgegl-0.4.so.0
#3 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fb79754f700 (LWP 3964)):
#0 0x00007fb7994134ed in syscall () at /usr/lib/libc.so.6
#1 0x00007fb7996a4461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x00007fb799ea5174 in () at /usr/lib/libgegl-0.4.so.0
#3 0x00007fb7996d1c21 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007fb7994e8a9d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fb799418b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fb797ccdd40 (LWP 3962)):
#0 0x00007fb7994f2184 in read () at /usr/lib/libpthread.so.0
#1 0x00007fb79af15e01 in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
#2 0x000055c9043ab400 in ()
#3 0x000055c9043ab858 in ()
#4 0x000055c9043abfc9 in ()
#5 0x00007fb7994f33c0 in <signal handler called> () at /usr/lib/libpthread.so.0
#6 0x00007fb799354d7f in raise () at /usr/lib/libc.so.6
#7 0x00007fb79933f672 in abort () at /usr/lib/libc.so.6
#8 0x00007fb7996a4042 in () at /usr/lib/libglib-2.0.so.0
#9 0x00007fb7996d1b9c in g_assertion_message_expr () at /usr/lib/libglib-2.0.so.0
#10 0x000055c9044cfc2f in ()
#11 0x000055c9044d5d85 in gimp_tool_widget_get_cursor ()
#12 0x000055c90441bc7c in ()
#13 0x000055c9044a863d in ()
#14 0x000055c9044a8e17 in ()
#15 0x000055c9044aa691 in gimp_display_shell_canvas_tool_events ()
#16 0x00007fb79a4a77cc in () at /usr/lib/libgtk-x11-2.0.so.0
#17 0x00007fb7997e1e75 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#18 0x00007fb7997cefd5 in () at /usr/lib/libgobject-2.0.so.0
#19 0x00007fb7997d276d in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#20 0x00007fb7997d4080 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#21 0x00007fb79a5c2235 in () at /usr/lib/libgtk-x11-2.0.so.0
#22 0x00007fb79a4a5a0e in gtk_propagate_event () at /usr/lib/libgtk-x11-2.0.so.0
#23 0x00007fb79a4a5e43 in gtk_main_do_event () at /usr/lib/libgtk-x11-2.0.so.0
#24 0x00007fb79a11ed5e in () at /usr/lib/libgdk-x11-2.0.so.0
#25 0x00007fb7996f47bf in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#26 0x00007fb7996f6739 in () at /usr/lib/libglib-2.0.so.0
#27 0x00007fb7996f76d2 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#28 0x000055c9043aabc7 in app_run ()
#29 0x000055c9043aa471 in main ()
[Inferior 1 (process 3962) detached]

```