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Re: PSPP-BUG: PSPP variable view seg fault ...

From: Maruthi Pathapati
Subject: Re: PSPP-BUG: PSPP variable view seg fault ...
Date: Tue, 3 Aug 2021 15:48:10 +0530

Hello John:

I tried to get the stack trace of the crash.

Thread 1 "psppire" received signal SIGSEGV, Segmentation fault.
set_var_type (sheet=0x564849552120) at src/ui/gui/psppire-variable-sheet.c:52
52  struct fmt_spec fmt = *format;
(gdb) c
[Thread 0x7f6218ce5700 (LWP 91258) exited]

(gdb) bt
#0  0x00007f621fe67aff in __GI___poll (fds=0x56484964d710, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f622049636e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f62204966f3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6220ab7497 in gtk_dialog_run () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#4  0x000056484778a846 in fatal_error_handler (sig=11) at src/ui/gui/main.c:397
#5  0x00007f621ff593c0 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
#6  set_var_type (sheet=0x564849552120) at src/ui/gui/psppire-variable-sheet.c:52
#7  0x00005648477ccee4 in on_button_press (w=<optimized out>, e=<optimized out>, user_data=<optimized out>) at src/ui/gui/psppire-variable-sheet.c:561
#8  on_button_press (w=<optimized out>, e=<optimized out>, user_data=<optimized out>) at src/ui/gui/psppire-variable-sheet.c:555

#9  0x00007f6220ceb4fb in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#10 0x00007f6220581802 in g_closure_invoke () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007f6220595814 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007f62205a047d in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007f62205a10f3 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007f6220c95c23 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#15 0x00007f6220b51128 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#16 0x00007f6220b533db in gtk_main_do_event () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#17 0x00007f622083bf79 in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#18 0x00007f622086f106 in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#19 0x00007f622049617d in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f6220496400 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f62204964a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f62206fefe5 in g_application_run () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#23 0x000056484778726b in main (argc=<optimized out>, argv=<optimized out>) at src/ui/gui/main.c:560

Hope that gives some idea.  

Best Regards
CEO, Vidcentum
Phone: +91 9052512020
Skype: pvsmaruthi

On Tue, Aug 3, 2021 at 12:52 PM John Darrington <john@darrington.wattle.id.au> wrote:
Hello  Maruthi,

Thank you for the bug report.

Unfortunately I haven't been able to reproduce this problem.

Perhaps if you can generate a backtrace, then it might help shed
some light on this.



On Tue, Aug 03, 2021 at 06:48:52AM +0530, Maruthi Pathapati wrote:


     I was trying to use the latest test version of PSPP and learning to extend
     it as required.

     I found the following issue:
     proximate cause:    Segmentation Violation
     version:             GNU pspp 1.5.3-gee1bfc
     host_system:         x86_64-pc-linux-gnu
     build_system:        x86_64-pc-linux-gnu
     locale_dir:          /usr/local/share/locale
     compiler version:    9.3.0 (GCC)

     OS: Ubuntu 20.04
     I have compiled spread-sheet-widget (0.8)

     How to reproduce:
     1. Build the latest version (latest_source)
     2. Launch the PSPP GUI
     3. Go to Variable View (Data View and Variable Views are empty)
     4. Do not enter anything.
     5. "Double Click" on the "Type" cell. The Application throws a segmentation

     6. Open the GUI again
     7. Now fill  "Name" field
     8. Double click on the "Type" cell.  It works. It opens a pop-up to select
     the type.

     My observation: The issue may occur while launching Type dialog when the
     cell is empty / uninitialized.

     May I request you to look into the issue ?

     Best Regards
     CEO, Vidcentum
     Phone: +91 9052512020
     Skype: pvsmaruthi

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