Description:
Gimp randomly crashes when moving inside the viewport using middle mouse button or when painting with the left mouse button.

```
GNU Image Manipulation Program version 2.10.14
git-describe: GIMP_2_10_12-511-ga4f55d6c7e
C compiler:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/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++,d --enable-shared --enable-threads=posix --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 gdc_include_dir=/usr/include/dlang/gdc
Thread model: posix
gcc version 9.2.0 (GCC)

using babl version 0.1.72 (compiled against version 0.1.72)
using GEGL version 0.4.18 (compiled against version 0.4.18)
using GLib version 2.62.3 (compiled against version 2.62.2)
using GdkPixbuf version 2.40.0 (compiled against version 2.40.0)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.44.7 (compiled against version 1.44.7)
using Fontconfig version 2.13.91 (compiled against version 2.13.91)
using Cairo version 1.17.3 (compiled against version 1.17.3)

```
> fatal error: Abandon

Stack trace:
```

# Stack traces obtained from PID 30153 - Thread 30153 #

Registered pretty printers for UE4 classes
[New LWP 30154]
[New LWP 30155]
[New LWP 30156]
[New LWP 30157]
[New LWP 30158]
[New LWP 30160]
[New LWP 30172]
[New LWP 30173]
[New LWP 30175]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
0x00007f63169a268c in read () from /usr/lib/libpthread.so.0
Id Target Id Frame
* 1 Thread 0x7f63157a5380 (LWP 30153) "gimp" 0x00007f63169a268c in read () from /usr/lib/libpthread.so.0
2 Thread 0x7f63151d5700 (LWP 30154) "worker" 0x00007f63168bfe9d in syscall () from /usr/lib/libc.so.6
3 Thread 0x7f63149d4700 (LWP 30155) "worker" 0x00007f63168bfe9d in syscall () from /usr/lib/libc.so.6
4 Thread 0x7f630ffff700 (LWP 30156) "worker" 0x00007f63168bfe9d in syscall () from /usr/lib/libc.so.6
5 Thread 0x7f630f3c9700 (LWP 30157) "gmain" 0x00007f63168ba9ef in poll () from /usr/lib/libc.so.6
6 Thread 0x7f630ebc8700 (LWP 30158) "gdbus" 0x00007f63168ba9ef in poll () from /usr/lib/libc.so.6
7 Thread 0x7f62f91d1700 (LWP 30160) "async" 0x00007f63168bfe9d in syscall () from /usr/lib/libc.so.6
8 Thread 0x7f62ef6c4700 (LWP 30172) "threaded-ml" 0x00007f63168ba9ef in poll () from /usr/lib/libc.so.6
9 Thread 0x7f62edb99700 (LWP 30173) "swap writer" 0x00007f63168bfe9d in syscall () from /usr/lib/libc.so.6
10 Thread 0x7f62f89d0700 (LWP 30175) "paint" 0x00007f63168bfe9d in syscall () from /usr/lib/libc.so.6

Thread 10 (Thread 0x7f62f89d0700 (LWP 30175)):
#0 0x00007f63168bfe9d in syscall () at /usr/lib/libc.so.6
#1 0x00007f6316b13531 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x000055ba2b886824 in ()
#3 0x00007f6316b3fbb1 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f62edb99700 (LWP 30173)):
#0 0x00007f63168bfe9d in syscall () at /usr/lib/libc.so.6
#1 0x00007f6316b13531 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x00007f6317125ffe in () at /usr/lib/libgegl-0.4.so.0
#3 0x00007f6316b3fbb1 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f62ef6c4700 (LWP 30172)):
#0 0x00007f63168ba9ef in poll () at /usr/lib/libc.so.6
#1 0x00007f62ee83bc14 in () at /usr/lib/libpulse.so.0
#2 0x00007f62ee849059 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#3 0x00007f62ee853301 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4 0x00007f62ee8533b1 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5 0x00007f62ee84361e in () at /usr/lib/libpulse.so.0
#6 0x00007f62ee7c7d1c in () at /usr/lib/pulseaudio/libpulsecommon-13.0.so
#7 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f62f91d1700 (LWP 30160)):
#0 0x00007f63168bfe9d in syscall () at /usr/lib/libc.so.6
#1 0x00007f6316b13531 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x000055ba2bae0e85 in ()
#3 0x00007f6316b3fbb1 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f630ebc8700 (LWP 30158)):
#0 0x00007f63168ba9ef in poll () at /usr/lib/libc.so.6
#1 0x00007f6316b63120 in () at /usr/lib/libglib-2.0.so.0
#2 0x00007f6316b640c3 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3 0x00007f6316cd1bc8 in () at /usr/lib/libgio-2.0.so.0
#4 0x00007f6316b3fbb1 in () at /usr/lib/libglib-2.0.so.0
#5 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f630f3c9700 (LWP 30157)):
#0 0x00007f63168ba9ef in poll () at /usr/lib/libc.so.6
#1 0x00007f6316b63120 in () at /usr/lib/libglib-2.0.so.0
#2 0x00007f6316b631f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3 0x00007f6316b63242 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007f6316b3fbb1 in () at /usr/lib/libglib-2.0.so.0
#5 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f630ffff700 (LWP 30156)):
#0 0x00007f63168bfe9d in syscall () at /usr/lib/libc.so.6
#1 0x00007f6316b13531 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x00007f631715a804 in () at /usr/lib/libgegl-0.4.so.0
#3 0x00007f6316b3fbb1 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f63149d4700 (LWP 30155)):
#0 0x00007f63168bfe9d in syscall () at /usr/lib/libc.so.6
#1 0x00007f6316b13531 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x00007f631715a804 in () at /usr/lib/libgegl-0.4.so.0
#3 0x00007f6316b3fbb1 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f63151d5700 (LWP 30154)):
#0 0x00007f63168bfe9d in syscall () at /usr/lib/libc.so.6
#1 0x00007f6316b13531 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2 0x00007f631715a804 in () at /usr/lib/libgegl-0.4.so.0
#3 0x00007f6316b3fbb1 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007f63169984cf in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007f63168c52d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f63157a5380 (LWP 30153)):
#0 0x00007f63169a268c in read () at /usr/lib/libpthread.so.0
#1 0x00007f6317d702ec in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
#2 0x000055ba2b7e64c0 in ()
#3 0x000055ba2b7e6918 in ()
#4 0x000055ba2b7e6fab in ()
#5 0x00007f63169a3930 in <signal handler called> () at /usr/lib/libpthread.so.0
#6 0x00007f6316801f25 in raise () at /usr/lib/libc.so.6
#7 0x00007f63167eb897 in abort () at /usr/lib/libc.so.6
#8 0x00007f63167eb767 in _nl_load_domain.cold () at /usr/lib/libc.so.6
#9 0x00007f63167fa526 in () at /usr/lib/libc.so.6
#10 0x00007f63166af9f9 in () at /usr/lib/libX11.so.6
#11 0x00007f63166afa9e in () at /usr/lib/libX11.so.6
#12 0x00007f63166afd92 in _XEventsQueued () at /usr/lib/libX11.so.6
#13 0x00007f63166a1782 in XPending () at /usr/lib/libX11.so.6
#14 0x00007f6317487d27 in () at /usr/lib/libgdk-x11-2.0.so.0
#15 0x00007f6316b618c2 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#16 0x00007f6316b630c8 in () at /usr/lib/libglib-2.0.so.0
#17 0x00007f6316b640c3 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#18 0x000055ba2b7e5c4e in app_run ()
#19 0x000055ba2b7e54ea in main ()
[Inferior 1 (process 30153) detached]

```