GIMP crash on scaling selection

[And]

```
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 2.62.1 (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: Aborted

Stack trace:
```

# Stack traces obtained from PID 31760 - Thread 31760 #

[New LWP 31765]
[New LWP 31766]
[New LWP 31767]
[New LWP 31768]
[New LWP 31769]
[New LWP 31770]
[New LWP 31771]
[New LWP 31772]
[New LWP 31773]
[New LWP 31774]
[New LWP 31775]
[New LWP 31776]
[New LWP 31777]
[New LWP 31778]
[New LWP 31779]
[New LWP 31780]
[New LWP 31781]
[New LWP 31808]
[New LWP 32058]
[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=0x7ffe1141d950, fd=18) at ../sysdeps/unix/sysv/linux/read.c:26
  Id Target Id Frame
* 1 Thread 0x7fa83da48e00 (LWP 31760) "gimp-2.10" __libc_read (nbytes=256, buf=0x7ffe1141d950, fd=18) at ../sysdeps/unix/sysv/linux/read.c:26
  2 Thread 0x7fa83d2e8700 (LWP 31765) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3 Thread 0x7fa83cae7700 (LWP 31766) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  4 Thread 0x7fa83c2e6700 (LWP 31767) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  5 Thread 0x7fa83bae5700 (LWP 31768) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  6 Thread 0x7fa83b2e4700 (LWP 31769) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  7 Thread 0x7fa83aae3700 (LWP 31770) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  8 Thread 0x7fa83a2e2700 (LWP 31771) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  9 Thread 0x7fa827fff700 (LWP 31772) "gmain" 0x00007fa83e9eac2f in __GI___poll (fds=0x5635ce2a5f50, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  10 Thread 0x7fa8277fe700 (LWP 31773) "gdbus" 0x00007fa83e9eac2f in __GI___poll (fds=0x5635ce444080, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  11 Thread 0x7fa80da4b700 (LWP 31774) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  12 Thread 0x7fa80d24a700 (LWP 31775) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  13 Thread 0x7fa80ca49700 (LWP 31776) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  14 Thread 0x7fa807fff700 (LWP 31777) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  15 Thread 0x7fa8077fe700 (LWP 31778) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  16 Thread 0x7fa806ffd700 (LWP 31779) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  17 Thread 0x7fa8067fc700 (LWP 31780) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  18 Thread 0x7fa805ffb700 (LWP 31781) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  19 Thread 0x7fa8057fa700 (LWP 31808) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  20 Thread 0x7fa804e99700 (LWP 32058) "paint" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 20 (Thread 0x7fa804e99700 (LWP 32058)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccb36cdd in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359613650688, 6879334192817746789, 140729187951662, 140729187951663, 140729187951808, 140359613647104, -6906191056629812379, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fa8057fa700 (LWP 31808)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83f19b799 in () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359623485184, 6879334192817746789, 140729187948430, 140729187948431, 140729187948576, 140359623481600, -6906194165649263771, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fa805ffb700 (LWP 31781)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccd69423 in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359631877888, 6879334192817746789, 140729187954190, 140729187954191, 140729187954336, 140359631874304, -6906193065600765083, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fa8067fc700 (LWP 31780)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccd69423 in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359640270592, 6879334192817746789, 140729187954190, 140729187954191, 140729187954336, 140359640267008, -6906196363598777499, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fa806ffd700 (LWP 31779)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccd69423 in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359648663296, 6879334192817746789, 140729187954190, 140729187954191, 140729187954336, 140359648659712, -6906195263550278811, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fa8077fe700 (LWP 31778)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccd69423 in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359657056000, 6879334192817746789, 140729187954190, 140729187954191, 140729187954336, 140359657052416, -6906198561548291227, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fa807fff700 (LWP 31777)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccd69423 in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359665448704, 6879334192817746789, 140729187954190, 140729187954191, 140729187954336, 140359665445120, -6906197461499792539, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fa80ca49700 (LWP 31776)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccd69423 in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359743346432, 6879334192817746789, 140729187954190, 140729187954191, 140729187954336, 140359743342848, -6906174057149254811, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fa80d24a700 (LWP 31775)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccd69423 in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359751739136, 6879334192817746789, 140729187954190, 140729187954191, 140729187954336, 140359751735552, -6906177355147267227, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fa80da4b700 (LWP 31774)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00005635ccd6966c in ()
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140359760131840, 6879334192817746789, 140729187954206, 140729187954207, 140729187954352, 140359760128256, -6906176255098768539, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fa8277fe700 (LWP 31773)):
#0 0x00007fa83e9eac2f in __GI___poll (fds=0x5635ce444080, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1 0x00007fa83ec91a3e in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83ec91dc3 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fa83f07359a in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360193926912, 6879334192817746789, 140729187954302, 140729187954303, 140729187954448, 140360193923328, -6906268930292468891, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fa827fff700 (LWP 31772)):
#0 0x00007fa83e9eac2f in __GI___poll (fds=0x5635ce2a5f50, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1 0x00007fa83ec91a3e in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83ec91b73 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fa83ec91bc1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360202319616, 6879334192817746789, 140729187953886, 140729187953887, 140729187954032, 140360202316032, -6906267830243970203, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fa83a2e2700 (LWP 31771)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83f15f993 in () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360507336448, 6879334192817746789, 140729187954206, 140729187954207, 140729187954352, 140360507332864, -6906205860845210779, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fa83aae3700 (LWP 31770)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83f15f993 in () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360515729152, 6879334192817746789, 140729187954206, 140729187954207, 140729187954352, 140360515725568, -6906204760796712091, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fa83b2e4700 (LWP 31769)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83f15f993 in () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360524121856, 6879334192817746789, 140729187954206, 140729187954207, 140729187954352, 140360524118272, -6906208058794724507, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa83bae5700 (LWP 31768)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83f15f993 in () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360532514560, 6879334192817746789, 140729187954206, 140729187954207, 140729187954352, 140360532510976, -6906206958746225819, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa83c2e6700 (LWP 31767)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83f15f993 in () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360540907264, 6879334192817746789, 140729187954206, 140729187954207, 140729187954352, 140360540903680, -6906210256744238235, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa83cae7700 (LWP 31766)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83f15f993 in () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360549299968, 6879334192817746789, 140729187954206, 140729187954207, 140729187954352, 140360549296384, -6906209156695739547, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa83d2e8700 (LWP 31765)):
#0 0x00007fa83e9f094d in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fa83ecddd83 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fa83f15f993 in () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3 0x00007fa83ecbb111 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fa83ead1669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140360557692672, 6879334192817746789, 140729187954206, 140729187954207, 140729187954352, 140360557689088, -6906212454693751963, -6906213566224026779}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5 0x00007fa83e9f7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa83da48e00 (LWP 31760)):
#0 0x00007fa83eadc31c in __libc_read (nbytes=256, buf=0x7ffe1141d950, fd=18) at ../sysdeps/unix/sysv/linux/read.c:26
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
#1 0x00007fa83eadc31c in __libc_read (fd=18, buf=0x7ffe1141d950, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:24
#2 0x00007fa83f5cf7d4 in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
#3 0x00005635ccaa44a0 in ()
#4 0x00005635ccaa48d8 in ()
#5 0x00005635ccaa5037 in ()
#6 0x00007fa83eadd540 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
#7 0x00007fa83e91b3eb in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {0, 94789165485648, 3432, 140360581286593, 140360582695072, 140360582694560, 140360582698144, 1, 94789139838912, 0, 94789071382304, 140360581277144, 140360582698144, 18395286560210938112, 94789071382304, 94789073681384}}
        pid = <optimized out>
        tid = <optimized out>
#8 0x00007fa83e8fa899 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x7ffe1141e438, sa_sigaction = 0x7ffe1141e438}, sa_mask = {__val = {140360584756291, 94785633255472, 140728898420736, 0, 111, 94789139838912, 140360584959922, 140360584982367, 94787898179584, 94789139838912, 0, 0, 18395286560210938112, 94789071381598, 140360585473536, 94789139838912}}, sa_flags = 112, sa_restorer = 0x7ffe1141e4a0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#9 0x00007fa83ec5db23 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fa83ecba32f in g_assertion_message_expr () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00005635ccbbdf8c in ()
#12 0x00005635ccbc3f14 in gimp_tool_widget_get_cursor ()
#13 0x00005635ccb0ffd0 in ()
#14 0x00005635ccb97924 in ()
#15 0x00005635ccb980ec in ()
#16 0x00005635ccb998c1 in gimp_display_shell_canvas_tool_events ()
#17 0x00007fa83f82cb9b in () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#18 0x00007fa83ed7c6e2 in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007fa83ed90544 in () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007fa83ed9899e in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007fa83ed999b3 in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007fa83f94822d in () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#23 0x00007fa83f82accc in gtk_propagate_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#24 0x00007fa83f82b0c3 in gtk_main_do_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#25 0x00007fa83f6936d0 in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#26 0x00007fa83ec9184d in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fa83ec91ad0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fa83ec91dc3 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00005635ccaa3cb7 in app_run ()
#30 0x00005635ccaa35b5 in main ()
[Inferior 1 (process 31760) detached]

```