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[Bug 1950967] [NEW] gimp focus blur crash

 

Public bug reported:

<!-- Copy-paste this whole debug data to report to developers -->


```
GNU Image Manipulation Program version 2.10.28
git-describe: GIMP_2_10_28
Build: unknown rev 0 for linux
# C compiler #
	Using built-in specs.
	COLLECT_GCC=gcc
	COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/9/lto-wrapper
	OFFLOAD_TARGET_NAMES=nvptx-none:hsa
	OFFLOAD_TARGET_DEFAULT=1
	Target: x86_64-linux-gnu
	Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.3.0-17ubuntu1~20.04' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --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-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --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=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --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 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04) 

# Libraries #
using babl version 0.1.88 (compiled against version 0.1.88)
using GEGL version 0.4.32 (compiled against version 0.4.32)
using GLib version 2.64.6 (compiled against version 2.64.6)
using GdkPixbuf version 2.40.0 (compiled against version 2.40.0)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.44.7 (compiled against version 1.44.7)
using Fontconfig version 2.13.1 (compiled against version 2.13.1)
using Cairo version 1.16.0 (compiled against version 1.16.0)

```
> fatal error: Chyba segmentácie

Stack trace:
```

# Stack traces obtained from PID 14432 - Thread 14432 #

[New LWP 14435]
[New LWP 14436]
[New LWP 14437]
[New LWP 14438]
[New LWP 14439]
[New LWP 14440]
[New LWP 14441]
[New LWP 14442]
[New LWP 14443]
[New LWP 14444]
[New LWP 14445]
[New LWP 14446]
[New LWP 14447]
[New LWP 14476]
[New LWP 14477]
[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=0x7ffc421d9e00, fd=31) at ../sysdeps/unix/sysv/linux/read.c:26
  Id   Target Id                                       Frame 
* 1    Thread 0x7f66e2243340 (LWP 14432) "gimp-2.10"   __libc_read (nbytes=256, buf=0x7ffc421d9e00, fd=31) at ../sysdeps/unix/sysv/linux/read.c:26
  2    Thread 0x7f66e17c1700 (LWP 14435) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3    Thread 0x7f66e0fc0700 (LWP 14436) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  4    Thread 0x7f66e07bf700 (LWP 14437) "worker"      syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  5    Thread 0x7f66deab8700 (LWP 14438) "gmain"       0x00007f66e307faff in __GI___poll (fds=0x55ba5795f340, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  6    Thread 0x7f66de2b7700 (LWP 14439) "gdbus"       0x00007f66e307faff in __GI___poll (fds=0x55ba5796e620, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  7    Thread 0x7f66be0e2700 (LWP 14440) "gimp-2.10"   0x00007f66e307faff in __GI___poll (fds=0x55ba57e226f0, nfds=5, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29
  8    Thread 0x7f66bcfe1700 (LWP 14441) "gimp-2.10"   futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f66bcfe06f0, clockid=<optimized out>, expected=0, futex_word=0x7f66b0000b88) at ../sysdeps/nptl/futex-internal.h:320
  9    Thread 0x7f66b7fff700 (LWP 14442) "gimp-2.10"   futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55ba57af50b8) at ../sysdeps/nptl/futex-internal.h:320
  10   Thread 0x7f66b77fe700 (LWP 14443) "gimp-2.10"   futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55ba57af50b8) at ../sysdeps/nptl/futex-internal.h:320
  11   Thread 0x7f66b6ffd700 (LWP 14444) "gimp-2.10"   futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55ba57af50b8) at ../sysdeps/nptl/futex-internal.h:320
  12   Thread 0x7f66b67fc700 (LWP 14445) "gimp-2.10"   futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55ba57af50b8) at ../sysdeps/nptl/futex-internal.h:320
  13   Thread 0x7f66b5ffb700 (LWP 14446) "gimp-2.10"   0x00007f66e306f89b in sched_yield () at ../sysdeps/unix/syscall-template.S:78
  14   Thread 0x7f66b57fa700 (LWP 14447) "async"       syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  15   Thread 0x7f6699f17700 (LWP 14476) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  16   Thread 0x7f6699716700 (LWP 14477) "dashboard"   syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 16 (Thread 0x7f6699716700 (LWP 14477)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f66e3375746 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055ba56f1c18e in ?? ()
No symbol table info available.
#3  0x00007f66e3351ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140078637737728, -2179370895701527067, 140721417724814, 140721417724815, 140721417724960, 140078637734016, 2237272332565657061, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 15 (Thread 0x7f6699f17700 (LWP 14476)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f66e3375623 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f66e387d2bd in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f66e3351ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140078646130432, -2179370895701527067, 140721417721646, 140721417721647, 140721417721792, 140078646126720, 2237271233590900197, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 14 (Thread 0x7f66b57fa700 (LWP 14447)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f66e3375623 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055ba5708f0b4 in ?? ()
No symbol table info available.
#3  0x00007f66e3351ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079108433664, -2179370895701527067, 140721417727102, 140721417727103, 140721417727248, 140079108429952, 2237228298413454821, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 13 (Thread 0x7f66b5ffb700 (LWP 14446)):
#0  0x00007f66e306f89b in sched_yield () at ../sysdeps/unix/syscall-template.S:78
No locals.
#1  0x00007f66befc816f in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#2  0x00007f66bf0d2cd0 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#3  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079116826368, -2179370895701527067, 140721417723982, 140721417723983, 140721417723984, 140079116822656, 2237227199438697957, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#4  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 12 (Thread 0x7f66b67fc700 (LWP 14445)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55ba57af50b8) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg6 = <optimized out>
        __arg5 = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a6 = <optimized out>
        _a5 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x55ba57af50b8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
        err = <optimized out>
#2  0x00007f66e316f4e8 in __new_sem_wait_slow (sem=0x55ba57af50b8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f66e316f3a0 <__sem_wait_cleanup>, __arg = 0x55ba57af50b8, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 12884901888
#3  0x00007f66bf0d1827 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#4  0x00007f66befc80e6 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#5  0x00007f66bf0d2cd0 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#6  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079125219072, -2179370895701527067, 140721417723982, 140721417723983, 140721417723984, 140079125215360, 2237230498510452197, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#7  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 11 (Thread 0x7f66b6ffd700 (LWP 14444)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55ba57af50b8) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg6 = <optimized out>
        __arg5 = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a6 = <optimized out>
        _a5 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x55ba57af50b8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
        err = <optimized out>
#2  0x00007f66e316f4e8 in __new_sem_wait_slow (sem=0x55ba57af50b8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f66e316f3a0 <__sem_wait_cleanup>, __arg = 0x55ba57af50b8, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 4294967296
#3  0x00007f66bf0d1827 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#4  0x00007f66befc80e6 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#5  0x00007f66bf0d2cd0 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#6  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079133611776, -2179370895701527067, 140721417723982, 140721417723983, 140721417723984, 140079133608064, 2237229395240728037, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#7  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 10 (Thread 0x7f66b77fe700 (LWP 14443)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55ba57af50b8) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg6 = <optimized out>
        __arg5 = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a6 = <optimized out>
        _a5 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x55ba57af50b8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
        err = <optimized out>
#2  0x00007f66e316f4e8 in __new_sem_wait_slow (sem=0x55ba57af50b8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f66e316f3a0 <__sem_wait_cleanup>, __arg = 0x55ba57af50b8, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 8589934592
#3  0x00007f66bf0d1827 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#4  0x00007f66befc80e6 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#5  0x00007f66bf0d2cd0 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#6  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079142004480, -2179370895701527067, 140721417723982, 140721417723983, 140721417723984, 140079142000768, 2237232694312482277, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#7  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 9 (Thread 0x7f66b7fff700 (LWP 14442)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55ba57af50b8) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -512
        op = 393
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg6 = <optimized out>
        __arg5 = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a6 = <optimized out>
        _a5 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  do_futex_wait (sem=sem@entry=0x55ba57af50b8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
        err = <optimized out>
#2  0x00007f66e316f4e8 in __new_sem_wait_slow (sem=0x55ba57af50b8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
        _buffer = {__routine = 0x7f66e316f3a0 <__sem_wait_cleanup>, __arg = 0x55ba57af50b8, __canceltype = 0, __prev = 0x0}
        err = <optimized out>
        d = 0
#3  0x00007f66bf0d1827 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#4  0x00007f66befc80e6 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#5  0x00007f66bf0d2cd0 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#6  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079150397184, -2179370895701527067, 140721417723982, 140721417723983, 140721417723984, 140079150393472, 2237231595337725413, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#7  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 8 (Thread 0x7f66bcfe1700 (LWP 14441)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f66bcfe06f0, clockid=<optimized out>, expected=0, futex_word=0x7f66b0000b88) at ../sysdeps/nptl/futex-internal.h:320
        __ret = -516
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg6 = <optimized out>
        __arg5 = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a6 = <optimized out>
        _a5 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x7f66bcfe06f0, clockid=<optimized out>, mutex=0x55ba57b67438, cond=0x7f66b0000b60) at pthread_cond_wait.c:520
        spin = 0
        buffer = {__routine = 0x7f66e316c050 <__condvar_cleanup_waiting>, __arg = 0x7f66bcfe0680, __canceltype = 1472079632, __prev = 0x0}
        cbuffer = {wseq = 166, cond = 0x7f66b0000b60, mutex = 0x55ba57b67438, private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        maxspin = 0
        signals = <optimized out>
        result = 0
        wseq = 166
        seq = 83
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_timedwait (cond=0x7f66b0000b60, mutex=0x55ba57b67438, abstime=0x7f66bcfe06f0) at pthread_cond_wait.c:656
        flags = <optimized out>
        clockid = <optimized out>
#3  0x00007f66bf0d38a7 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#4  0x00007f66bf08c037 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#5  0x00007f66bf0d2cd0 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#6  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079234160384, -2179370895701527067, 140721417723134, 140721417723135, 140721417723136, 140079234156672, 2237207420040558053, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#7  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 7 (Thread 0x7f66be0e2700 (LWP 14440)):
#0  0x00007f66e307faff in __GI___poll (fds=0x55ba57e226f0, nfds=5, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f66bf0d125b in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#2  0x00007f66bf13669f in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#3  0x00007f66bf0d2cd0 in ?? () from /lib/x86_64-linux-gnu/libnvidia-opencl.so.1
No symbol table info available.
#4  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079251990272, -2179370895701527067, 140721417723054, 140721417723055, 140721417723056, 140079251986560, 2237213330452428261, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 6 (Thread 0x7f66de2b7700 (LWP 14439)):
#0  0x00007f66e307faff in __GI___poll (fds=0x55ba5796e620, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f66e332836e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f66e33286f3 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f66e35b9f8a in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f66e3351ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079790782208, -2179370895701527067, 140721417727214, 140721417727215, 140721417727360, 140079790778496, 2237424667002582501, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 5 (Thread 0x7f66deab8700 (LWP 14438)):
#0  0x00007f66e307faff in __GI___poll (fds=0x55ba5795f340, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f66e332836e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f66e33284a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f66e33284f1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f66e3351ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079799174912, -2179370895701527067, 140721417726782, 140721417726783, 140721417726928, 140079799171200, 2237423568027825637, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 4 (Thread 0x7f66e07bf700 (LWP 14437)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f66e3375623 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f66e3844afb in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f66e3351ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079829612288, -2179370895701527067, 140721417727006, 140721417727007, 140721417727152, 140079829608576, 2237322820443092453, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 3 (Thread 0x7f66e0fc0700 (LWP 14436)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f66e3375623 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f66e3844afb in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f66e3351ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079838004992, -2179370895701527067, 140721417727006, 140721417727007, 140721417727152, 140079838001280, 2237321721468335589, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 2 (Thread 0x7f66e17c1700 (LWP 14435)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f66e3375623 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f66e3844afb in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007f66e3351ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f66e3165609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079846397696, -2179370895701527067, 140721417727006, 140721417727007, 140721417727152, 140079846393984, 2237325084964599269, 2237329807887087077}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f66e308c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7f66e2243340 (LWP 14432)):
#0  __libc_read (nbytes=256, buf=0x7ffc421d9e00, fd=31) at ../sysdeps/unix/sysv/linux/read.c:26
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
        __arg3 = <optimized out>
        _a2 = <optimized out>
        sc_ret = <optimized out>
        __value = <optimized out>
        __arg1 = <optimized out>
        _a3 = <optimized out>
        resultvar = <optimized out>
        resultvar = <optimized out>
        __arg2 = <optimized out>
        _a1 = <optimized out>
#1  __libc_read (fd=31, buf=0x7ffc421d9e00, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:24
No locals.
#2  0x00007f66e3d33e37 in gimp_stack_trace_print () from /lib/libgimpbase-2.0.so.0
No symbol table info available.
#3  0x000055ba56d9271e in ?? ()
No symbol table info available.
#4  0x000055ba56d92aee in gimp_fatal_error ()
No symbol table info available.
#5  0x000055ba56d9316d in ?? ()
No symbol table info available.
#6  <signal handler called>
No locals.
#7  0x00007f66e388e758 in gegl_buffer_cl_cache_flush () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#8  0x00007f66e3864625 in gegl_buffer_iterator_next () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#9  0x00007f66c4188202 in ?? () from /usr/lib/x86_64-linux-gnu/gegl-0.4/gegl-common-cxx.so
No symbol table info available.
#10 0x00007f66e3844c37 in ?? () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#11 0x00007f66e3844eac in gegl_parallel_distribute () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#12 0x00007f66e384575a in gegl_parallel_distribute_area () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#13 0x00007f66c4187a80 in ?? () from /usr/lib/x86_64-linux-gnu/gegl-0.4/gegl-common-cxx.so
No symbol table info available.
#14 0x00007f66e389c0c9 in gegl_operation_process () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#15 0x00007f66e389dfb2 in gegl_graph_process () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#16 0x00007f66e389d226 in gegl_eval_manager_apply () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#17 0x00007f66e3885871 in gegl_node_blit_buffer () from /lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#18 0x000055ba571e8494 in ?? ()
No symbol table info available.
#19 0x000055ba571e9156 in gimp_tile_handler_validate_validate ()
No symbol table info available.
#20 0x000055ba57150559 in ?? ()
No symbol table info available.
#21 0x000055ba5715097e in ?? ()
No symbol table info available.
#22 0x000055ba571509bd in ?? ()
No symbol table info available.
#23 0x00007f66e332804e in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#24 0x00007f66e3328400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#25 0x00007f66e33286f3 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#26 0x000055ba56d91eb0 in app_run ()
No symbol table info available.
#27 0x000055ba56d9176e in main ()
No symbol table info available.
[Inferior 1 (process 14432) detached]

```

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

-- 
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https://bugs.launchpad.net/bugs/1950967

Title:
  gimp focus blur crash

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