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[Bug 1804354] [NEW] saved during extended cloning operation then immediately crashed

 

Public bug reported:

```
GNU Image Manipulation Program version 2.10.6
git-describe: GIMP_2_10_4-278-g0a8173ffde
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 8.2.0-4ubuntu1' --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 --with-sysroot=/ --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 8.2.0-4ubuntu1) 
	
using GEGL version 0.4.8 (compiled against version 0.4.8)
using GLib version 2.58.1 (compiled against version 2.57.2)
using GdkPixbuf version 2.38.0 (compiled against version 2.36.12)
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 2.13.0 (compiled against version 2.13.0)
using Cairo version 1.15.12 (compiled against version 1.15.12)

```
> fatal error: Segmentation fault

Stack trace:
```

# Stack traces obtained from PID 2546 - Thread 2546 #

[New LWP 2547]
[New LWP 2548]
[New LWP 2549]
[New LWP 2550]
[New LWP 2572]
[New LWP 2575]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__libc_read (fd=38, buf=0x7ffcbc7f7650, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:26
  Id   Target Id                                      Frame 
* 1    Thread 0x7fc1ca245e00 (LWP 2546) "gimp-2.10"   __libc_read (fd=38, buf=0x7ffcbc7f7650, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:26
  2    Thread 0x7fc1c8930700 (LWP 2547) "gmain"       0x00007fc1cd0cb6d9 in __GI___poll (fds=0x55a174534870, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  3    Thread 0x7fc1c65ca700 (LWP 2548) "gdbus"       0x00007fc1cd0cb6d9 in __GI___poll (fds=0x55a174526b40, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  4    Thread 0x7fc1b4c21700 (LWP 2549) "async"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  5    Thread 0x7fc1affff700 (LWP 2550) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  6    Thread 0x7fc1aeb73700 (LWP 2572) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  7    Thread 0x7fc19ffff700 (LWP 2575) "paint"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 7 (Thread 0x7fc19ffff700 (LWP 2575)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fc1cd3e963f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055a17220d24d in ?? ()
No symbol table info available.
#3  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140469589767936, 2472222238218073178, 140723470961054, 140723470961055, 140723470961184, 140469589764352, -2464552044479957926, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 6 (Thread 0x7fc1aeb73700 (LWP 2572)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fc1cd3e963f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fc1cde58375 in ?? () from /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140469836658432, 2472222238218073178, 140723470953038, 140723470953039, 140723470953168, 140469836654848, -2464519679753898918, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 5 (Thread 0x7fc1affff700 (LWP 2550)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fc1cd3e963f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055a17243d673 in ?? ()
No symbol table info available.
#3  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140469858203392, 2472222238218073178, 140723470963694, 140723470963695, 140723470963824, 140469858199808, -2464516860107869094, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 4 (Thread 0x7fc1b4c21700 (LWP 2549)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fc1cd3e963f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055a17243d48a in ?? ()
No symbol table info available.
#3  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140469938034432, 2472222238218073178, 140723470963710, 140723470963711, 140723470963840, 140469938030848, -2464471188499385254, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 3 (Thread 0x7fc1c65ca700 (LWP 2548)):
#0  0x00007fc1cd0cb6d9 in __GI___poll (fds=0x55a174526b40, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fc1cd3a2e46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fc1cd3a31d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fc1cdd1e7b6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140470233376512, 2472222238218073178, 140723470963806, 140723470963807, 140723470963936, 140470233372928, -2464430245113023398, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 2 (Thread 0x7fc1c8930700 (LWP 2547)):
#0  0x00007fc1cd0cb6d9 in __GI___poll (fds=0x55a174534870, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fc1cd3a2e46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fc1cd3a2f6c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fc1cd3a2fb1 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140470270494464, 2472222238218073178, 140723470963406, 140723470963407, 140723470963536, 140470270490880, -2464445212000308134, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7fc1ca245e00 (LWP 2546)):
#0  __libc_read (fd=38, buf=0x7ffcbc7f7650, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:26
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        sc_ret = <optimized out>
        nbytes = 256
        resultvar = <optimized out>
        resultvar = <optimized out>
        __arg2 = <optimized out>
        _a3 = <optimized out>
        resultvar = <optimized out>
        resultvar = <optimized out>
        __arg2 = <optimized out>
        _a3 = <optimized out>
        fd = 38
        __arg3 = <optimized out>
        __arg3 = <optimized out>
        buf = 0x7ffcbc7f7650
        _a1 = <optimized out>
        _a1 = <optimized out>
        sc_ret = <optimized out>
        __arg1 = <optimized out>
        _a2 = <optimized out>
        sc_cancel_oldtype = <optimized out>
        __arg1 = <optimized out>
        _a2 = <optimized out>
        sc_ret = <optimized out>
        resultvar = <optimized out>
        resultvar = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
        sc_cancel_oldtype = <optimized out>
        resultvar = <optimized out>
        resultvar = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  0x00007fc1ce42d7d4 in gimp_stack_trace_print () from /usr/lib/libgimpbase-2.0.so.0
No symbol table info available.
#2  0x000055a17217b2a0 in ?? ()
No symbol table info available.
#3  0x000055a17217b6d8 in gimp_fatal_error ()
No symbol table info available.
#4  0x000055a17217be37 in ?? ()
No symbol table info available.
#5  <signal handler called>
No locals.
#6  0x000055a1722aeb80 in ?? ()
No symbol table info available.
#7  0x00007fc1cd482b6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007fc1cd4958f3 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007fc1cd49e882 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007fc1cd49eecf in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007fc1cd4871d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007fc1cd489651 in g_object_notify () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x000055a1721a6e1e in plug_in_actions_update ()
No symbol table info available.
#14 0x000055a1723615db in ?? ()
No symbol table info available.
#15 0x00007fc1cd482b6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#16 0x00007fc1cd495124 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007fc1cd49e882 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#18 0x00007fc1cd49eecf in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#19 0x000055a172257cca in ?? ()
No symbol table info available.
#20 0x00007fc1cd482b6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#21 0x00007fc1cd4958f3 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#22 0x00007fc1cd49e882 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#23 0x00007fc1cd49eecf in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#24 0x000055a17220c5d4 in ?? ()
No symbol table info available.
#25 0x000055a172226d74 in gimp_tool_button_release ()
No symbol table info available.
#26 0x000055a17226f50d in ?? ()
No symbol table info available.
#27 0x000055a17226f831 in gimp_display_shell_canvas_tool_events ()
No symbol table info available.
#28 0x00007fc1ce67dcfb in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#29 0x00007fc1cd482b6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#30 0x00007fc1cd4958f3 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#31 0x00007fc1cd49df43 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#32 0x00007fc1cd49eecf in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#33 0x00007fc1ce79500c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#34 0x00007fc1ce67bf9c in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#35 0x00007fc1ce67c38b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#36 0x00007fc1ce4eeccc in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#37 0x00007fc1cd3a2c3e in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#38 0x00007fc1cd3a2ed8 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#39 0x00007fc1cd3a31d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#40 0x000055a17217aacf in app_run ()
No symbol table info available.
#41 0x000055a17217a3d5 in main ()
No symbol table info available.
[Inferior 1 (process 2546) detached]

```

** Affects: gimp (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1804354

Title:
  saved during extended cloning operation then immediately crashed

Status in gimp package in Ubuntu:
  New

Bug description:
  ```
  GNU Image Manipulation Program version 2.10.6
  git-describe: GIMP_2_10_4-278-g0a8173ffde
  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 8.2.0-4ubuntu1' --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 --with-sysroot=/ --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 8.2.0-4ubuntu1) 
  	
  using GEGL version 0.4.8 (compiled against version 0.4.8)
  using GLib version 2.58.1 (compiled against version 2.57.2)
  using GdkPixbuf version 2.38.0 (compiled against version 2.36.12)
  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 2.13.0 (compiled against version 2.13.0)
  using Cairo version 1.15.12 (compiled against version 1.15.12)

  ```
  > fatal error: Segmentation fault

  Stack trace:
  ```

  # Stack traces obtained from PID 2546 - Thread 2546 #

  [New LWP 2547]
  [New LWP 2548]
  [New LWP 2549]
  [New LWP 2550]
  [New LWP 2572]
  [New LWP 2575]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  __libc_read (fd=38, buf=0x7ffcbc7f7650, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:26
    Id   Target Id                                      Frame 
  * 1    Thread 0x7fc1ca245e00 (LWP 2546) "gimp-2.10"   __libc_read (fd=38, buf=0x7ffcbc7f7650, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:26
    2    Thread 0x7fc1c8930700 (LWP 2547) "gmain"       0x00007fc1cd0cb6d9 in __GI___poll (fds=0x55a174534870, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    3    Thread 0x7fc1c65ca700 (LWP 2548) "gdbus"       0x00007fc1cd0cb6d9 in __GI___poll (fds=0x55a174526b40, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    4    Thread 0x7fc1b4c21700 (LWP 2549) "async"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    5    Thread 0x7fc1affff700 (LWP 2550) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    6    Thread 0x7fc1aeb73700 (LWP 2572) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    7    Thread 0x7fc19ffff700 (LWP 2575) "paint"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

  Thread 7 (Thread 0x7fc19ffff700 (LWP 2575)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007fc1cd3e963f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x000055a17220d24d in ?? ()
  No symbol table info available.
  #3  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140469589767936, 2472222238218073178, 140723470961054, 140723470961055, 140723470961184, 140469589764352, -2464552044479957926, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 6 (Thread 0x7fc1aeb73700 (LWP 2572)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007fc1cd3e963f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x00007fc1cde58375 in ?? () from /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  No symbol table info available.
  #3  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140469836658432, 2472222238218073178, 140723470953038, 140723470953039, 140723470953168, 140469836654848, -2464519679753898918, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 5 (Thread 0x7fc1affff700 (LWP 2550)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007fc1cd3e963f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x000055a17243d673 in ?? ()
  No symbol table info available.
  #3  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140469858203392, 2472222238218073178, 140723470963694, 140723470963695, 140723470963824, 140469858199808, -2464516860107869094, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 4 (Thread 0x7fc1b4c21700 (LWP 2549)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007fc1cd3e963f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x000055a17243d48a in ?? ()
  No symbol table info available.
  #3  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140469938034432, 2472222238218073178, 140723470963710, 140723470963711, 140723470963840, 140469938030848, -2464471188499385254, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 3 (Thread 0x7fc1c65ca700 (LWP 2548)):
  #0  0x00007fc1cd0cb6d9 in __GI___poll (fds=0x55a174526b40, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
          sc_ret = <optimized out>
  #1  0x00007fc1cd3a2e46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x00007fc1cd3a31d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #3  0x00007fc1cdd1e7b6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  No symbol table info available.
  #4  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #5  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140470233376512, 2472222238218073178, 140723470963806, 140723470963807, 140723470963936, 140470233372928, -2464430245113023398, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 2 (Thread 0x7fc1c8930700 (LWP 2547)):
  #0  0x00007fc1cd0cb6d9 in __GI___poll (fds=0x55a174534870, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
          sc_ret = <optimized out>
  #1  0x00007fc1cd3a2e46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x00007fc1cd3a2f6c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #3  0x00007fc1cd3a2fb1 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007fc1cd3cb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #5  0x00007fc1cd1af164 in start_thread (arg=<optimized out>) at pthread_create.c:486
          ret = <optimized out>
          pd = <optimized out>
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140470270494464, 2472222238218073178, 140723470963406, 140723470963407, 140723470963536, 140470270490880, -2464445212000308134, -2464450640593603494}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007fc1cd0d7def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 1 (Thread 0x7fc1ca245e00 (LWP 2546)):
  #0  __libc_read (fd=38, buf=0x7ffcbc7f7650, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:26
          resultvar = 18446744073709551104
          sc_cancel_oldtype = 0
          sc_ret = <optimized out>
          sc_ret = <optimized out>
          nbytes = 256
          resultvar = <optimized out>
          resultvar = <optimized out>
          __arg2 = <optimized out>
          _a3 = <optimized out>
          resultvar = <optimized out>
          resultvar = <optimized out>
          __arg2 = <optimized out>
          _a3 = <optimized out>
          fd = 38
          __arg3 = <optimized out>
          __arg3 = <optimized out>
          buf = 0x7ffcbc7f7650
          _a1 = <optimized out>
          _a1 = <optimized out>
          sc_ret = <optimized out>
          __arg1 = <optimized out>
          _a2 = <optimized out>
          sc_cancel_oldtype = <optimized out>
          __arg1 = <optimized out>
          _a2 = <optimized out>
          sc_ret = <optimized out>
          resultvar = <optimized out>
          resultvar = <optimized out>
          __arg3 = <optimized out>
          __arg2 = <optimized out>
          __arg1 = <optimized out>
          _a3 = <optimized out>
          _a2 = <optimized out>
          _a1 = <optimized out>
          sc_cancel_oldtype = <optimized out>
          resultvar = <optimized out>
          resultvar = <optimized out>
          __arg3 = <optimized out>
          __arg2 = <optimized out>
          __arg1 = <optimized out>
          _a3 = <optimized out>
          _a2 = <optimized out>
          _a1 = <optimized out>
  #1  0x00007fc1ce42d7d4 in gimp_stack_trace_print () from /usr/lib/libgimpbase-2.0.so.0
  No symbol table info available.
  #2  0x000055a17217b2a0 in ?? ()
  No symbol table info available.
  #3  0x000055a17217b6d8 in gimp_fatal_error ()
  No symbol table info available.
  #4  0x000055a17217be37 in ?? ()
  No symbol table info available.
  #5  <signal handler called>
  No locals.
  #6  0x000055a1722aeb80 in ?? ()
  No symbol table info available.
  #7  0x00007fc1cd482b6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #8  0x00007fc1cd4958f3 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #9  0x00007fc1cd49e882 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #10 0x00007fc1cd49eecf in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #11 0x00007fc1cd4871d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #12 0x00007fc1cd489651 in g_object_notify () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #13 0x000055a1721a6e1e in plug_in_actions_update ()
  No symbol table info available.
  #14 0x000055a1723615db in ?? ()
  No symbol table info available.
  #15 0x00007fc1cd482b6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #16 0x00007fc1cd495124 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #17 0x00007fc1cd49e882 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #18 0x00007fc1cd49eecf in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #19 0x000055a172257cca in ?? ()
  No symbol table info available.
  #20 0x00007fc1cd482b6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #21 0x00007fc1cd4958f3 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #22 0x00007fc1cd49e882 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #23 0x00007fc1cd49eecf in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #24 0x000055a17220c5d4 in ?? ()
  No symbol table info available.
  #25 0x000055a172226d74 in gimp_tool_button_release ()
  No symbol table info available.
  #26 0x000055a17226f50d in ?? ()
  No symbol table info available.
  #27 0x000055a17226f831 in gimp_display_shell_canvas_tool_events ()
  No symbol table info available.
  #28 0x00007fc1ce67dcfb in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  No symbol table info available.
  #29 0x00007fc1cd482b6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #30 0x00007fc1cd4958f3 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #31 0x00007fc1cd49df43 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #32 0x00007fc1cd49eecf in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  No symbol table info available.
  #33 0x00007fc1ce79500c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  No symbol table info available.
  #34 0x00007fc1ce67bf9c in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  No symbol table info available.
  #35 0x00007fc1ce67c38b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
  No symbol table info available.
  #36 0x00007fc1ce4eeccc in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
  No symbol table info available.
  #37 0x00007fc1cd3a2c3e in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #38 0x00007fc1cd3a2ed8 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #39 0x00007fc1cd3a31d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #40 0x000055a17217aacf in app_run ()
  No symbol table info available.
  #41 0x000055a17217a3d5 in main ()
  No symbol table info available.
  [Inferior 1 (process 2546) detached]

  ```

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