crash when editing text

[ewmbzqth]

Ubuntu 19.10

```
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-linux-gnu/8/lto-wrapper
 OFFLOAD_TARGET_NAMES=nvptx-none
 OFFLOAD_TARGET_DEFAULT=1
 Target: x86_64-linux-gnu
 Configured with: ../src/configure -v --with-pkgversion='Ubuntu 8.2.0-13ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-8 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
 Thread model: posix
 gcc version 8.2.0 (Ubuntu 8.2.0-13ubuntu1)

using GEGL version 0.4.14 (compiled against version 0.4.12)
using GLib version 2.62.4 (compiled against version 2.58.1)
using GdkPixbuf version 2.40.0 (compiled against version 2.38.0)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.42.3 (compiled against version 1.42.3)
using Fontconfig version 2.13.1 (compiled against version 2.13.0)
using Cairo version 1.16.0 (compiled against version 1.16.0)

```
> fatal error: Segmentation fault

Stack trace:
```

# Stack traces obtained from PID 9079 - Thread 9079 #

[New LWP 9080]
[New LWP 9082]
[New LWP 9083]
[New LWP 9085]
[New LWP 9086]
[New LWP 9107]
[New LWP 9111]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__libc_read (nbytes=256, buf=0x7ffec6397f50, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
  Id Target Id Frame
* 1 Thread 0x7f0ad29bde00 (LWP 9079) "gimp-2.10" __libc_read (nbytes=256, buf=0x7ffec6397f50, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
  2 Thread 0x7f0ad2260700 (LWP 9080) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3 Thread 0x7f0acba05700 (LWP 9082) "gmain" 0x00007f0ad395fc2f in __GI___poll (fds=0x558caa2a6a10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  4 Thread 0x7f0acb204700 (LWP 9083) "gdbus" 0x00007f0ad395fc2f in __GI___poll (fds=0x558caa2bee80, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  5 Thread 0x7f0abdf8f700 (LWP 9085) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  6 Thread 0x7f0abd78e700 (LWP 9086) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  7 Thread 0x7f0abcf8d700 (LWP 9107) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  8 Thread 0x7f0aabfff700 (LWP 9111) "paint" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 8 (Thread 0x7f0aabfff700 (LWP 9111)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1 0x00007f0ad3c52d83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x0000558ca9a3ecdd in ?? ()
No symbol table info available.
#3 0x00007f0ad3c30181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007f0ad3a46669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683812079360, 2643712766717194417, 140732224081838, 140732224081839, 140732224081984, 139683812075776, -2691730638908165967, -2691466433934266191}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007f0ad396c323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 7 (Thread 0x7f0abcf8d700 (LWP 9107)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1 0x00007f0ad3c52d83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x00007f0ad4110799 in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3 0x00007f0ad3c30181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007f0ad3a46669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684096825088, 2643712766717194417, 140732224073662, 140732224073663, 140732224073808, 139684096821504, -2691706510855638863, -2691466433934266191}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007f0ad396c323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 6 (Thread 0x7f0abd78e700 (LWP 9086)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1 0x00007f0ad3c52d83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x0000558ca9c71423 in ?? ()
No symbol table info available.
#3 0x00007f0ad3c30181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007f0ad3a46669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684105217792, 2643712766717194417, 140732224084366, 140732224084367, 140732224084512, 139684105214208, -2691709808853651279, -2691466433934266191}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007f0ad396c323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 5 (Thread 0x7f0abdf8f700 (LWP 9085)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1 0x00007f0ad3c52d83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x0000558ca9c7166c in ?? ()
No symbol table info available.
#3 0x00007f0ad3c30181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007f0ad3a46669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684113610496, 2643712766717194417, 140732224084382, 140732224084383, 140732224084528, 139684113606912, -2691708708805152591, -2691466433934266191}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007f0ad396c323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 4 (Thread 0x7f0acb204700 (LWP 9083)):
#0 0x00007f0ad395fc2f in __GI___poll (fds=0x558caa2bee80, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimised out>
#1 0x00007f0ad3c06aae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x00007f0ad3c06e33 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3 0x00007f0ad3fe88da in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4 0x00007f0ad3c30181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5 0x00007f0ad3a46669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684334290688, 2643712766717194417, 140732224084478, 140732224084479, 140732224084624, 139684334287104, -2691520346035064655, -2691466433934266191}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6 0x00007f0ad396c323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 3 (Thread 0x7f0acba05700 (LWP 9082)):
#0 0x00007f0ad395fc2f in __GI___poll (fds=0x558caa2a6a10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimised out>
#1 0x00007f0ad3c06aae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x00007f0ad3c06be3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3 0x00007f0ad3c06c31 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007f0ad3c30181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5 0x00007f0ad3a46669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684342683392, 2643712766717194417, 140732224084062, 140732224084063, 140732224084208, 139684342679808, -2691519245986565967, -2691466433934266191}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6 0x00007f0ad396c323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 2 (Thread 0x7f0ad2260700 (LWP 9080)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1 0x00007f0ad3c52d83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x00007f0ad40d4993 in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3 0x00007f0ad3c30181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007f0ad3a46669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684452108032, 2643712766717194417, 140732224084382, 140732224084383, 140732224084528, 139684452104448, -2691465329651486543, -2691466433934266191}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007f0ad396c323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7f0ad29bde00 (LWP 9079)):
#0 __libc_read (nbytes=256, buf=0x7ffec6397f50, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
        __arg3 = <optimised out>
        _a2 = <optimised out>
        sc_ret = <optimised out>
        __value = <optimised out>
        __arg1 = <optimised out>
        _a3 = <optimised out>
        resultvar = <optimised out>
        resultvar = <optimised out>
        __arg2 = <optimised out>
        _a1 = <optimised out>
#1 __libc_read (fd=15, buf=0x7ffec6397f50, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:24
No locals.
#2 0x00007f0ad45447d4 in gimp_stack_trace_print () from /lib/libgimpbase-2.0.so.0
No symbol table info available.
#3 0x0000558ca99ac4a0 in ?? ()
No symbol table info available.
#4 0x0000558ca99ac8d8 in gimp_fatal_error ()
No symbol table info available.
#5 0x0000558ca99ad037 in ?? ()
No symbol table info available.
#6 <signal handler called>
No locals.
#7 0x00007f0ad3c39064 in g_utf8_get_char () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8 0x0000558ca9a54151 in ?? ()
No symbol table info available.
#9 0x00007f0ad3cf16e2 in g_closure_invoke () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f0ad3d05544 in ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007f0ad3d0d3ea in g_signal_emitv () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007f0ad46ecff1 in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#13 0x00007f0ad46ed481 in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#14 0x00007f0ad46ed984 in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#15 0x00007f0ad46ee8a7 in gtk_bindings_activate_event () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#16 0x0000558ca9a55127 in gimp_text_tool_editor_key_press ()
No symbol table info available.
#17 0x0000558ca9aa0a0e in ?? ()
No symbol table info available.
#18 0x0000558ca9aa18c1 in gimp_display_shell_canvas_tool_events ()
No symbol table info available.
#19 0x00007f0ad47a1b9b in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#20 0x00007f0ad3cf16e2 in g_closure_invoke () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#21 0x00007f0ad3d05544 in ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#22 0x00007f0ad3d0d99e in g_signal_emit_valist () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#23 0x00007f0ad3d0e9b3 in g_signal_emit () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#24 0x00007f0ad48bd22d in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#25 0x00007f0ad48d1150 in gtk_window_propagate_key_event () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#26 0x0000558ca9ba7dbb in ?? ()
No symbol table info available.
#27 0x00007f0ad47a1b9b in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#28 0x00007f0ad3cf16e2 in g_closure_invoke () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#29 0x00007f0ad3d04cc6 in ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#30 0x00007f0ad3d0d99e in g_signal_emit_valist () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#31 0x00007f0ad3d0e9b3 in g_signal_emit () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#32 0x00007f0ad48bd22d in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#33 0x00007f0ad479fd9c in gtk_propagate_event () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#34 0x00007f0ad47a00c3 in gtk_main_do_event () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#35 0x00007f0ad46086d0 in ?? () from /lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#36 0x00007f0ad3c068bd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#37 0x00007f0ad3c06b40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#38 0x00007f0ad3c06e33 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#39 0x0000558ca99abcb7 in app_run ()
No symbol table info available.
#40 0x0000558ca99ab5b5 in main ()
No symbol table info available.
[Inferior 1 (process 9079) detached]

```