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[Bug 1871951] [NEW] fatal crash when editing text

 

Public bug reported:

$ lsb_release -rd
Description:    Ubuntu 19.10
Release:        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: Aborted

Stack trace:
```

# Stack traces obtained from PID 9248 - Thread 9248 #

[New LWP 9250]
[New LWP 9251]
[New LWP 9252]
[New LWP 9253]
[New LWP 9254]
[New LWP 9269]
[New LWP 9270]
[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=0x7ffd2b7ebed0, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
  Id   Target Id                                      Frame 
* 1    Thread 0x7f60f9496e00 (LWP 9248) "gimp-2.10"   __libc_read (nbytes=256, buf=0x7ffd2b7ebed0, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
  2    Thread 0x7f60f8d39700 (LWP 9250) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3    Thread 0x7f60f31ef700 (LWP 9251) "gmain"       0x00007f60fa438c2f in __GI___poll (fds=0x55e24c5f4a10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  4    Thread 0x7f60f2494700 (LWP 9252) "gdbus"       0x00007f60fa438c2f in __GI___poll (fds=0x55e24c60ce80, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  5    Thread 0x7f60e4a6b700 (LWP 9253) "async"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  6    Thread 0x7f60dffff700 (LWP 9254) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  7    Thread 0x7f60dee9d700 (LWP 9269) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  8    Thread 0x7f60df7fe700 (LWP 9270) "paint"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 8 (Thread 0x7f60df7fe700 (LWP 9270)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055e24a745cdd in ?? ()
No symbol table info available.
#3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054043289344, -8773703221424701291, 140725333180254, 140725333180255, 140725333180400, 140054043285760, 8717901905814601877, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 7 (Thread 0x7f60dee9d700 (LWP 9269)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f60fabe9799 in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054033454848, -8773703221424701291, 140725333172078, 140725333172079, 140725333172224, 140054033451264, 8717903126122184853, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 6 (Thread 0x7f60dffff700 (LWP 9254)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055e24a978423 in ?? ()
No symbol table info available.
#3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054051682048, -8773703221424701291, 140725333182782, 140725333182783, 140725333182928, 140054051678464, 8717900807913586837, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 5 (Thread 0x7f60e4a6b700 (LWP 9253)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055e24a97866c in ?? ()
No symbol table info available.
#3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054129719040, -8773703221424701291, 140725333182798, 140725333182799, 140725333182944, 140054129715456, 8717915730777456789, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 4 (Thread 0x7f60f2494700 (LWP 9252)):
#0  0x00007f60fa438c2f in __GI___poll (fds=0x55e24c60ce80, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimised out>
#1  0x00007f60fa6dfaae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f60fa6dfe33 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f60faac18da in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054358476544, -8773703221424701291, 140725333182894, 140725333182895, 140725333183040, 140054358472960, 8717966080142196885, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 3 (Thread 0x7f60f31ef700 (LWP 9251)):
#0  0x00007f60fa438c2f in __GI___poll (fds=0x55e24c5f4a10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimised out>
#1  0x00007f60fa6dfaae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f60fa6dfbe3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f60fa6dfc31 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054372480768, -8773703221424701291, 140725333182478, 140725333182479, 140725333182624, 140054372477184, 8717963213788397717, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 2 (Thread 0x7f60f8d39700 (LWP 9250)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f60fabad993 in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
        ret = <optimised out>
        pd = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054468204288, -8773703221424701291, 140725333182798, 140725333182799, 140725333182944, 140054468200704, 8717977946599964821, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7f60f9496e00 (LWP 9248)):
#0  __libc_read (nbytes=256, buf=0x7ffd2b7ebed0, 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=0x7ffd2b7ebed0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:24
No locals.
#2  0x00007f60fb01d7d4 in gimp_stack_trace_print () from /lib/libgimpbase-2.0.so.0
No symbol table info available.
#3  0x000055e24a6b34a0 in ?? ()
No symbol table info available.
#4  0x000055e24a6b38d8 in gimp_fatal_error ()
No symbol table info available.
#5  0x000055e24a6b4037 in ?? ()
No symbol table info available.
#6  <signal handler called>
No locals.
#7  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {0, 4595949911494105112, 140725333182244, 0, 0, 94430472432736, 12, 4294967300, 4, 0, 0, 0, 0, 140054496082621, 140725333182032, 140725333182496}}
        pid = <optimised out>
        tid = <optimised out>
        ret = <optimised out>
#8  0x00007f60fa348899 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x7ffd2b7ec8e0, sa_sigaction = 0x7ffd2b7ec8e0}, sa_mask = {__val = {13614630816, 94430432287616, 0, 16, 140054493191040, 0, 140054493311522, 0, 0, 0, 0, 140725333182768, 0, 0, 0, 0}}, sa_flags = 0, sa_restorer = 0x0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#9  0x00007f60fa3b338e in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f60fa4dc3a5 "%s\n") at ../sysdeps/posix/libc_fatal.c:181
        ap = {{gp_offset = 24, fp_offset = 0, overflow_arg_area = 0x7ffd2b7ec900, reg_save_area = 0x7ffd2b7ec890}}
        fd = 2
        list = <optimised out>
        nlist = <optimised out>
        cp = <optimised out>
        written = <optimised out>
#10 0x00007f60fa3bb4dc in malloc_printerr (str=str@entry=0x7f60fa4de030 "free(): invalid next size (fast)") at malloc.c:5332
No locals.
#11 0x00007f60fa3bcd7c in _int_free (av=0x7f60fa50db80 <main_arena>, p=0x55e253758280, have_lock=0) at malloc.c:4249
        fail = <optimised out>
        idx = <optimised out>
        old = <optimised out>
        old2 = <optimised out>
        size = 32
        fb = <optimised out>
        nextchunk = <optimised out>
        nextsize = <optimised out>
        nextinuse = <optimised out>
        prevsize = <optimised out>
        bck = <optimised out>
        fwd = <optimised out>
        __PRETTY_FUNCTION__ = "_int_free"
#12 0x00007f60fa6dc6a1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0x00007f60fa6df830 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f60fa6dfb40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x00007f60fa6dfe33 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#16 0x000055e24a6b2cb7 in app_run ()
No symbol table info available.
#17 0x000055e24a6b25b5 in main ()
No symbol table info available.
[Inferior 1 (process 9248) detached]

```

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

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https://bugs.launchpad.net/bugs/1871951

Title:
  fatal crash when editing text

Status in gimp package in Ubuntu:
  New

Bug description:
  $ lsb_release -rd
  Description:    Ubuntu 19.10
  Release:        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: Aborted

  Stack trace:
  ```

  # Stack traces obtained from PID 9248 - Thread 9248 #

  [New LWP 9250]
  [New LWP 9251]
  [New LWP 9252]
  [New LWP 9253]
  [New LWP 9254]
  [New LWP 9269]
  [New LWP 9270]
  [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=0x7ffd2b7ebed0, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
    Id   Target Id                                      Frame 
  * 1    Thread 0x7f60f9496e00 (LWP 9248) "gimp-2.10"   __libc_read (nbytes=256, buf=0x7ffd2b7ebed0, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
    2    Thread 0x7f60f8d39700 (LWP 9250) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    3    Thread 0x7f60f31ef700 (LWP 9251) "gmain"       0x00007f60fa438c2f in __GI___poll (fds=0x55e24c5f4a10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    4    Thread 0x7f60f2494700 (LWP 9252) "gdbus"       0x00007f60fa438c2f in __GI___poll (fds=0x55e24c60ce80, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    5    Thread 0x7f60e4a6b700 (LWP 9253) "async"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    6    Thread 0x7f60dffff700 (LWP 9254) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    7    Thread 0x7f60dee9d700 (LWP 9269) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    8    Thread 0x7f60df7fe700 (LWP 9270) "paint"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

  Thread 8 (Thread 0x7f60df7fe700 (LWP 9270)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x000055e24a745cdd in ?? ()
  No symbol table info available.
  #3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
          ret = <optimised out>
          pd = <optimised out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054043289344, -8773703221424701291, 140725333180254, 140725333180255, 140725333180400, 140054043285760, 8717901905814601877, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = 0
  #5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 7 (Thread 0x7f60dee9d700 (LWP 9269)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x00007f60fabe9799 in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  No symbol table info available.
  #3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
          ret = <optimised out>
          pd = <optimised out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054033454848, -8773703221424701291, 140725333172078, 140725333172079, 140725333172224, 140054033451264, 8717903126122184853, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = 0
  #5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 6 (Thread 0x7f60dffff700 (LWP 9254)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x000055e24a978423 in ?? ()
  No symbol table info available.
  #3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
          ret = <optimised out>
          pd = <optimised out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054051682048, -8773703221424701291, 140725333182782, 140725333182783, 140725333182928, 140054051678464, 8717900807913586837, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = 0
  #5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 5 (Thread 0x7f60e4a6b700 (LWP 9253)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x000055e24a97866c in ?? ()
  No symbol table info available.
  #3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
          ret = <optimised out>
          pd = <optimised out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054129719040, -8773703221424701291, 140725333182798, 140725333182799, 140725333182944, 140054129715456, 8717915730777456789, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = 0
  #5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 4 (Thread 0x7f60f2494700 (LWP 9252)):
  #0  0x00007f60fa438c2f in __GI___poll (fds=0x55e24c60ce80, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
          sc_ret = <optimised out>
  #1  0x00007f60fa6dfaae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x00007f60fa6dfe33 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #3  0x00007f60faac18da in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
  No symbol table info available.
  #4  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #5  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
          ret = <optimised out>
          pd = <optimised out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054358476544, -8773703221424701291, 140725333182894, 140725333182895, 140725333183040, 140054358472960, 8717966080142196885, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = 0
  #6  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 3 (Thread 0x7f60f31ef700 (LWP 9251)):
  #0  0x00007f60fa438c2f in __GI___poll (fds=0x55e24c5f4a10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
          sc_ret = <optimised out>
  #1  0x00007f60fa6dfaae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x00007f60fa6dfbe3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #3  0x00007f60fa6dfc31 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #5  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
          ret = <optimised out>
          pd = <optimised out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054372480768, -8773703221424701291, 140725333182478, 140725333182479, 140725333182624, 140054372477184, 8717963213788397717, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = 0
  #6  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 2 (Thread 0x7f60f8d39700 (LWP 9250)):
  #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  No locals.
  #1  0x00007f60fa72bd83 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #2  0x00007f60fabad993 in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
  No symbol table info available.
  #3  0x00007f60fa709181 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #4  0x00007f60fa51f669 in start_thread (arg=<optimised out>) at pthread_create.c:479
          ret = <optimised out>
          pd = <optimised out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140054468204288, -8773703221424701291, 140725333182798, 140725333182799, 140725333182944, 140054468200704, 8717977946599964821, 8717983459922264213}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = 0
  #5  0x00007f60fa445323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  No locals.

  Thread 1 (Thread 0x7f60f9496e00 (LWP 9248)):
  #0  __libc_read (nbytes=256, buf=0x7ffd2b7ebed0, 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=0x7ffd2b7ebed0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:24
  No locals.
  #2  0x00007f60fb01d7d4 in gimp_stack_trace_print () from /lib/libgimpbase-2.0.so.0
  No symbol table info available.
  #3  0x000055e24a6b34a0 in ?? ()
  No symbol table info available.
  #4  0x000055e24a6b38d8 in gimp_fatal_error ()
  No symbol table info available.
  #5  0x000055e24a6b4037 in ?? ()
  No symbol table info available.
  #6  <signal handler called>
  No locals.
  #7  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
          set = {__val = {0, 4595949911494105112, 140725333182244, 0, 0, 94430472432736, 12, 4294967300, 4, 0, 0, 0, 0, 140054496082621, 140725333182032, 140725333182496}}
          pid = <optimised out>
          tid = <optimised out>
          ret = <optimised out>
  #8  0x00007f60fa348899 in __GI_abort () at abort.c:79
          save_stage = 1
          act = {__sigaction_handler = {sa_handler = 0x7ffd2b7ec8e0, sa_sigaction = 0x7ffd2b7ec8e0}, sa_mask = {__val = {13614630816, 94430432287616, 0, 16, 140054493191040, 0, 140054493311522, 0, 0, 0, 0, 140725333182768, 0, 0, 0, 0}}, sa_flags = 0, sa_restorer = 0x0}
          sigs = {__val = {32, 0 <repeats 15 times>}}
  #9  0x00007f60fa3b338e in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f60fa4dc3a5 "%s\n") at ../sysdeps/posix/libc_fatal.c:181
          ap = {{gp_offset = 24, fp_offset = 0, overflow_arg_area = 0x7ffd2b7ec900, reg_save_area = 0x7ffd2b7ec890}}
          fd = 2
          list = <optimised out>
          nlist = <optimised out>
          cp = <optimised out>
          written = <optimised out>
  #10 0x00007f60fa3bb4dc in malloc_printerr (str=str@entry=0x7f60fa4de030 "free(): invalid next size (fast)") at malloc.c:5332
  No locals.
  #11 0x00007f60fa3bcd7c in _int_free (av=0x7f60fa50db80 <main_arena>, p=0x55e253758280, have_lock=0) at malloc.c:4249
          fail = <optimised out>
          idx = <optimised out>
          old = <optimised out>
          old2 = <optimised out>
          size = 32
          fb = <optimised out>
          nextchunk = <optimised out>
          nextsize = <optimised out>
          nextinuse = <optimised out>
          prevsize = <optimised out>
          bck = <optimised out>
          fwd = <optimised out>
          __PRETTY_FUNCTION__ = "_int_free"
  #12 0x00007f60fa6dc6a1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #13 0x00007f60fa6df830 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #14 0x00007f60fa6dfb40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #15 0x00007f60fa6dfe33 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  No symbol table info available.
  #16 0x000055e24a6b2cb7 in app_run ()
  No symbol table info available.
  #17 0x000055e24a6b25b5 in main ()
  No symbol table info available.
  [Inferior 1 (process 9248) detached]

  ```

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