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[Bug 1830508] [NEW] crashed while changing drop shadow opacity

To: edubuntu-bugs@xxxxxxxxxxxxxxxxxxx
From: gvrnmtwrng <gvrnmtwrng@xxxxxxxxx>
Date: Sun, 26 May 2019 02:10:25 -0000
Reply-to: Bug 1830508 <1830508@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
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: Aborted

Stack trace:
```

# Stack traces obtained from PID 32620 - Thread 32620 #

[New LWP 32621]
[New LWP 32622]
[New LWP 32623]
[New LWP 32624]
[New LWP 32626]
[New LWP 32683]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fed70c94384 in __libc_read (fd=17, buf=0x7fff4f6247d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
  Id   Target Id         Frame 
* 1    Thread 0x7fed75cbbe00 (LWP 32620) "gimp-2.10" 0x00007fed70c94384 in __libc_read (fd=17, buf=0x7fff4f6247d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
  2    Thread 0x7fed67ce7700 (LWP 32621) "worker" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3    Thread 0x7fed5f2a8700 (LWP 32622) "dconf worker" 0x00007fed709a6bf9 in __GI___poll (fds=0x55d49a82eac0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  4    Thread 0x7fed5eaa7700 (LWP 32623) "gmain" 0x00007fed709a6bf9 in __GI___poll (fds=0x7fed500081f0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  5    Thread 0x7fed5e2a6700 (LWP 32624) "gdbus" 0x00007fed709a6bf9 in __GI___poll (fds=0x7fed50019ee0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  6    Thread 0x7fed358f0700 (LWP 32626) "async" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  7    Thread 0x7fed2ffff700 (LWP 32683) "swap writer" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 7 (Thread 0x7fed2ffff700 (LWP 32683)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fed714d677f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fed72b39ab1 in ?? () from /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007fed714b8195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fed70c8a6db in start_thread (arg=0x7fed2ffff700) at pthread_create.c:463
        pd = 0x7fed2ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140656689280768, -1260569492951278476, 140656689277184, 0, 94371653644688, 140734525225952, 1250823421268450420, 1250715542750616692}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fed709b388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 6 (Thread 0x7fed358f0700 (LWP 32626)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fed714d677f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000055d49850b0ec in ?? ()
No symbol table info available.
#3  0x00007fed714b8195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fed70c8a6db in start_thread (arg=0x7fed358f0700) at pthread_create.c:463
        pd = 0x7fed358f0700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140656782542592, -1260569492951278476, 140656782539008, 0, 94371615736832, 140734525231648, 1250845815764802676, 1250715542750616692}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fed709b388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 5 (Thread 0x7fed5e2a6700 (LWP 32624)):
#0  0x00007fed709a6bf9 in __GI___poll (fds=0x7fed50019ee0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fed714905c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fed71490962 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fed726040e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fed714b8195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fed70c8a6db in start_thread (arg=0x7fed5e2a6700) at pthread_create.c:463
        pd = 0x7fed5e2a6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140657463813888, -1260569492951278476, 140657463810304, 0, 94371613232928, 140657480594688, 1250649315642301556, 1250715542750616692}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fed709b388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 4 (Thread 0x7fed5eaa7700 (LWP 32623)):
#0  0x00007fed709a6bf9 in __GI___poll (fds=0x7fed500081f0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fed714905c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fed714906dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fed71490721 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fed714b8195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fed70c8a6db in start_thread (arg=0x7fed5eaa7700) at pthread_create.c:463
        pd = 0x7fed5eaa7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140657472206592, -1260569492951278476, 140657472203008, 0, 94371613232768, 140657480594304, 1250650415690800244, 1250715542750616692}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fed709b388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 3 (Thread 0x7fed5f2a8700 (LWP 32622)):
#0  0x00007fed709a6bf9 in __GI___poll (fds=0x55d49a82eac0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fed714905c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fed714906dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fed5f2b036d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fed714b8195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fed70c8a6db in start_thread (arg=0x7fed5f2a8700) at pthread_create.c:463
        pd = 0x7fed5f2a8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140657480599296, -1260569492951278476, 140657480595712, 0, 94371613230400, 140734525229072, 1250647117692787828, 1250715542750616692}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fed709b388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 2 (Thread 0x7fed67ce7700 (LWP 32621)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fed714d677f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fed72b00593 in ?? () from /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0
No symbol table info available.
#3  0x00007fed714b8195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fed70c8a6db in start_thread (arg=0x7fed67ce7700) at pthread_create.c:463
        pd = 0x7fed67ce7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140657625560832, -1260569492951278476, 140657625557248, 0, 94371613230080, 140734525231648, 1250664949860129908, 1250715542750616692}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fed709b388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7fed75cbbe00 (LWP 32620)):
#0  0x00007fed70c94384 in __libc_read (fd=17, buf=0x7fff4f6247d0, nbytes=256) at ../sysdeps/unix/sysv/linux/read.c:27
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 1
        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 = 17
        __arg3 = <optimized out>
        __arg3 = <optimized out>
        buf = 0x7fff4f6247d0
        _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  0x00007fed740f9de0 in gimp_stack_trace_print () from /usr/lib/libgimpbase-2.0.so.0
No symbol table info available.
#2  0x000055d4982421b4 in ?? ()
No symbol table info available.
#3  0x000055d4982427b8 in gimp_fatal_error ()
No symbol table info available.
#4  0x000055d498242ec7 in ?? ()
No symbol table info available.
#5  <signal handler called>
No locals.
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 94371684683856, 140657844461600, 140657772570175, 140660106428416, 94371684683856, 94371684683957, 94371684683856, 94371684683856, 94371684683959, 94371684684156, 94371684683856, 94371684684156, 0, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#7  0x00007fed708d2801 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x55d49acdaf70, sa_sigaction = 0x55d49acdaf70}, sa_mask = {__val = {0, 94371618598855, 0, 0, 0, 140734525231288, 0, 140734525231120, 140657773826512, 21474836480, 140657773811672, 0, 4537680953839468544, 140657773796628, 0, 140657773811672}}, sa_flags = 1883262643, sa_restorer = 0x7fed70405048}
        sigs = {__val = {32, 0 <repeats 15 times>}}
        __cnt = <optimized out>
        __set = <optimized out>
        __cnt = <optimized out>
        __set = <optimized out>
#8  0x00007fed708c239a in __assert_fail_base (fmt=0x7fed70a497d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7fed70405048 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7fed70404eb3 "../../src/xcb_io.c", line=line@entry=259, function=function@entry=0x7fed704052f8 "poll_for_event") at assert.c:92
        str = 0x55d49acdaf70 "@\031%\237\324U"
        total = 4096
#9  0x00007fed708c2412 in __GI___assert_fail (assertion=0x7fed70405048 "!xcb_xlib_threads_sequence_lost", file=0x7fed70404eb3 "../../src/xcb_io.c", line=259, function=0x7fed704052f8 "poll_for_event") at assert.c:101
No locals.
#10 0x00007fed70393e7a in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#11 0x00007fed70393f1e in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#12 0x00007fed7039420d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#13 0x00007fed70385d3d in XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#14 0x00007fed74daa085 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#15 0x00007fed7148ffe1 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#16 0x00007fed71490570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#17 0x00007fed71490962 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x000055d498241b68 in app_run ()
No symbol table info available.
#19 0x000055d49824142c in main ()
No symbol table info available.

```

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

-- 
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https://bugs.launchpad.net/bugs/1830508

Title:
  crashed while changing drop shadow opacity

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Follow ups

[Bug 1830508] Re: crashed while changing drop shadow opacity
From: Erich Eickmeyer, 2019-08-20