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[Bug 1831839] [NEW] gimp crashes after batch processing images for decreasing file size

 

Public bug reported:

```
GNU Image Manipulation Program version 2.10.10
git-describe: 5e662c37d7cc472266989f259c4ae579d66a6617
C compiler:
	Using built-in specs.
	COLLECT_GCC=gcc
	COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
	OFFLOAD_TARGET_NAMES=nvptx-none
	OFFLOAD_TARGET_DEFAULT=1
	Target: x86_64-linux-gnu
	Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.3.0-27ubuntu1~18.04' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --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 7.3.0 (Ubuntu 7.3.0-27ubuntu1~18.04) 
	
using GEGL version 0.4.14 (compiled against version 0.4.14)
using GLib version 2.56.4 (compiled against version 2.56.3)
using GdkPixbuf version 2.36.11 (compiled against version 2.36.11)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.40.14 (compiled against version 1.40.14)
using Fontconfig version 2.12.6 (compiled against version 2.12.6)
using Cairo version 1.15.10 (compiled against version 1.15.10)

```
> fatal error: Segmentation fault

Stack trace:
```

# Stack traces obtained from PID 1236 - Thread 1236 #

[New LWP 1239]
[New LWP 1240]
[New LWP 1242]
[New LWP 1249]
[New LWP 1256]
[New LWP 1262]
[New LWP 1321]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f0b27ef0384 in __libc_read (fd=36, buf=0x7ffd7091f050, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
  Id   Target Id         Frame 
* 1    Thread 0x7f0b2cd15e00 (LWP 1236) "gimp-2.10" 0x00007f0b27ef0384 in __libc_read (fd=36, buf=0x7ffd7091f050, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
  2    Thread 0x7f0b1ef43700 (LWP 1239) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3    Thread 0x7f0b1e742700 (LWP 1240) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  4    Thread 0x7f0b1df41700 (LWP 1242) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  5    Thread 0x7f0b0d6f7700 (LWP 1249) "gmain" 0x00007f0b27c02bf9 in __GI___poll (fds=0x5573dc837e90, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  6    Thread 0x7f0b0cef6700 (LWP 1256) "gdbus" 0x00007f0b27c02bf9 in __GI___poll (fds=0x5573dc849a10, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  7    Thread 0x7f0aed0d1700 (LWP 1262) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  8    Thread 0x7f0ae7bf6700 (LWP 1321) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 8 (Thread 0x7f0ae7bf6700 (LWP 1321)):
#0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b29d95ab1 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b27ee66db in start_thread (arg=0x7f0ae7bf6700) at pthread_create.c:463
        pd = 0x7f0ae7bf6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684814481152, -316393330801646853, 139684814477568, 0, 93956158092528, 140726492062368, 400326203279663867, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f0aed0d1700 (LWP 1262)):
#0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00005573da1e10ec in  ()
#3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b27ee66db in start_thread (arg=0x7f0aed0d1700) at pthread_create.c:463
        pd = 0x7f0aed0d1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684903458560, -316393330801646853, 139684903454976, 0, 93956110503232, 140726492068368, 400305706085114619, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0b0cef6700 (LWP 1256)):
#0  0x00007f0b27c02bf9 in __GI___poll (fds=0x5573dc849a10, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f0b286ec5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b286ec962 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b298600e6 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0b27ee66db in start_thread (arg=0x7f0b0cef6700) at pthread_create.c:463
        pd = 0x7f0b0cef6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685438383872, -316393330801646853, 139685438380288, 0, 93956108145824, 140726492068448, 400231232962814715, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f0b0d6f7700 (LWP 1249)):
#0  0x00007f0b27c02bf9 in __GI___poll (fds=0x5573dc837e90, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f0b286ec5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b286ec6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b286ec721 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0b27ee66db in start_thread (arg=0x7f0b0d6f7700) at pthread_create.c:463
        pd = 0x7f0b0d6f7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685446776576, -316393330801646853, 139685446772992, 0, 93956108145664, 140726492068064, 400234533108310779, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0b1df41700 (LWP 1242)):
#0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b29d5c593 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b27ee66db in start_thread (arg=0x7f0b1df41700) at pthread_create.c:463
        pd = 0x7f0b1df41700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685723903744, -316393330801646853, 139685723900160, 0, 93956108172448, 140726492068368, 400198151514088187, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0b1e742700 (LWP 1240)):
#0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b29d5c593 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b27ee66db in start_thread (arg=0x7f0b1e742700) at pthread_create.c:463
        pd = 0x7f0b1e742700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685732296448, -316393330801646853, 139685732292864, 0, 93956108172368, 140726492068368, 400201449512100603, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0b1ef43700 (LWP 1239)):
#0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b29d5c593 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
#3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b27ee66db in start_thread (arg=0x7f0b1ef43700) at pthread_create.c:463
        pd = 0x7f0b1ef43700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685740689152, -316393330801646853, 139685740685568, 0, 93956108172288, 140726492068368, 400200351611085563, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0b2cd15e00 (LWP 1236)):
#0  0x00007f0b27ef0384 in __libc_read (fd=36, buf=0x7ffd7091f050, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        sc_ret = <optimized out>
        nbytes = 256
        fd = 36
        buf = 0x7ffd7091f050
#1  0x00007f0b2b355de0 in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
#2  0x00005573d9f181b4 in  ()
#3  0x00005573d9f187b8 in  ()
#4  0x00005573d9f18ec7 in  ()
#5  0x00007f0b27ef1890 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f0b289ed9b4 in g_type_check_value_holds () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7  0x00007f0b289f2fb9 in g_value_get_int () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8  0x00005573da1bfa3b in plug_in_params_to_args ()
#9  0x00005573da1b3e33 in gimp_plug_in_handle_message ()
#10 0x00005573da1b28bb in  ()
#11 0x00007f0b286ec285 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f0b286ec650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f0b286ec962 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00005573d9f17b68 in app_run ()
#15 0x00005573d9f1742c in main ()

```

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

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https://bugs.launchpad.net/bugs/1831839

Title:
  gimp crashes after batch processing images for decreasing file size

Status in gimp package in Ubuntu:
  New

Bug description:
  ```
  GNU Image Manipulation Program version 2.10.10
  git-describe: 5e662c37d7cc472266989f259c4ae579d66a6617
  C compiler:
  	Using built-in specs.
  	COLLECT_GCC=gcc
  	COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
  	OFFLOAD_TARGET_NAMES=nvptx-none
  	OFFLOAD_TARGET_DEFAULT=1
  	Target: x86_64-linux-gnu
  	Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.3.0-27ubuntu1~18.04' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --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 7.3.0 (Ubuntu 7.3.0-27ubuntu1~18.04) 
  	
  using GEGL version 0.4.14 (compiled against version 0.4.14)
  using GLib version 2.56.4 (compiled against version 2.56.3)
  using GdkPixbuf version 2.36.11 (compiled against version 2.36.11)
  using GTK+ version 2.24.32 (compiled against version 2.24.32)
  using Pango version 1.40.14 (compiled against version 1.40.14)
  using Fontconfig version 2.12.6 (compiled against version 2.12.6)
  using Cairo version 1.15.10 (compiled against version 1.15.10)

  ```
  > fatal error: Segmentation fault

  Stack trace:
  ```

  # Stack traces obtained from PID 1236 - Thread 1236 #

  [New LWP 1239]
  [New LWP 1240]
  [New LWP 1242]
  [New LWP 1249]
  [New LWP 1256]
  [New LWP 1262]
  [New LWP 1321]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00007f0b27ef0384 in __libc_read (fd=36, buf=0x7ffd7091f050, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
    Id   Target Id         Frame 
  * 1    Thread 0x7f0b2cd15e00 (LWP 1236) "gimp-2.10" 0x00007f0b27ef0384 in __libc_read (fd=36, buf=0x7ffd7091f050, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
    2    Thread 0x7f0b1ef43700 (LWP 1239) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    3    Thread 0x7f0b1e742700 (LWP 1240) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    4    Thread 0x7f0b1df41700 (LWP 1242) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    5    Thread 0x7f0b0d6f7700 (LWP 1249) "gmain" 0x00007f0b27c02bf9 in __GI___poll (fds=0x5573dc837e90, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    6    Thread 0x7f0b0cef6700 (LWP 1256) "gdbus" 0x00007f0b27c02bf9 in __GI___poll (fds=0x5573dc849a10, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
    7    Thread 0x7f0aed0d1700 (LWP 1262) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
    8    Thread 0x7f0ae7bf6700 (LWP 1321) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

  Thread 8 (Thread 0x7f0ae7bf6700 (LWP 1321)):
  #0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0b29d95ab1 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f0b27ee66db in start_thread (arg=0x7f0ae7bf6700) at pthread_create.c:463
          pd = 0x7f0ae7bf6700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684814481152, -316393330801646853, 139684814477568, 0, 93956158092528, 140726492062368, 400326203279663867, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 7 (Thread 0x7f0aed0d1700 (LWP 1262)):
  #0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00005573da1e10ec in  ()
  #3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f0b27ee66db in start_thread (arg=0x7f0aed0d1700) at pthread_create.c:463
          pd = 0x7f0aed0d1700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684903458560, -316393330801646853, 139684903454976, 0, 93956110503232, 140726492068368, 400305706085114619, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 6 (Thread 0x7f0b0cef6700 (LWP 1256)):
  #0  0x00007f0b27c02bf9 in __GI___poll (fds=0x5573dc849a10, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007f0b286ec5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0b286ec962 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007f0b298600e6 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  #4  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007f0b27ee66db in start_thread (arg=0x7f0b0cef6700) at pthread_create.c:463
          pd = 0x7f0b0cef6700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685438383872, -316393330801646853, 139685438380288, 0, 93956108145824, 140726492068448, 400231232962814715, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 5 (Thread 0x7f0b0d6f7700 (LWP 1249)):
  #0  0x00007f0b27c02bf9 in __GI___poll (fds=0x5573dc837e90, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
          resultvar = 18446744073709551100
          sc_cancel_oldtype = 0
  #1  0x00007f0b286ec5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0b286ec6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007f0b286ec721 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007f0b27ee66db in start_thread (arg=0x7f0b0d6f7700) at pthread_create.c:463
          pd = 0x7f0b0d6f7700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685446776576, -316393330801646853, 139685446772992, 0, 93956108145664, 140726492068064, 400234533108310779, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #6  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 4 (Thread 0x7f0b1df41700 (LWP 1242)):
  #0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0b29d5c593 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f0b27ee66db in start_thread (arg=0x7f0b1df41700) at pthread_create.c:463
          pd = 0x7f0b1df41700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685723903744, -316393330801646853, 139685723900160, 0, 93956108172448, 140726492068368, 400198151514088187, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 3 (Thread 0x7f0b1e742700 (LWP 1240)):
  #0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0b29d5c593 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f0b27ee66db in start_thread (arg=0x7f0b1e742700) at pthread_create.c:463
          pd = 0x7f0b1e742700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685732296448, -316393330801646853, 139685732292864, 0, 93956108172368, 140726492068368, 400201449512100603, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 2 (Thread 0x7f0b1ef43700 (LWP 1239)):
  #0  0x00007f0b27c09839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  #1  0x00007f0b2873277f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f0b29d5c593 in  () at /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
  #3  0x00007f0b28714195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x00007f0b27ee66db in start_thread (arg=0x7f0b1ef43700) at pthread_create.c:463
          pd = 0x7f0b1ef43700
          now = <optimized out>
          unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685740689152, -316393330801646853, 139685740685568, 0, 93956108172288, 140726492068368, 400200351611085563, 400185046298256123}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
          not_first_call = <optimized out>
  #5  0x00007f0b27c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Thread 1 (Thread 0x7f0b2cd15e00 (LWP 1236)):
  #0  0x00007f0b27ef0384 in __libc_read (fd=36, buf=0x7ffd7091f050, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
          resultvar = 18446744073709551104
          sc_cancel_oldtype = 0
          sc_ret = <optimized out>
          sc_ret = <optimized out>
          nbytes = 256
          fd = 36
          buf = 0x7ffd7091f050
  #1  0x00007f0b2b355de0 in gimp_stack_trace_print () at /usr/lib/libgimpbase-2.0.so.0
  #2  0x00005573d9f181b4 in  ()
  #3  0x00005573d9f187b8 in  ()
  #4  0x00005573d9f18ec7 in  ()
  #5  0x00007f0b27ef1890 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
  #6  0x00007f0b289ed9b4 in g_type_check_value_holds () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #7  0x00007f0b289f2fb9 in g_value_get_int () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #8  0x00005573da1bfa3b in plug_in_params_to_args ()
  #9  0x00005573da1b3e33 in gimp_plug_in_handle_message ()
  #10 0x00005573da1b28bb in  ()
  #11 0x00007f0b286ec285 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #12 0x00007f0b286ec650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #13 0x00007f0b286ec962 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #14 0x00005573d9f17b68 in app_run ()
  #15 0x00005573d9f1742c in main ()

  ```

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