[sword-devel] Segmentation fault - was Re: SWORD 1.7.0RC3

[Jaak Ristioja]

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I'm pretty sure that the crash is because the global

  const StringList oValues(&choices[0], &choices[2]);

in ../src/modules/filters/utf8greekaccents.cpp:41 is not initialized
when it is used in UTF8GreekAccents::UTF8GreekAccents() to initialize
the global

  UTF8GreekAccents greekAccentsFilter;

instance in imp2gbs.cpp:62.


Blessings,
Jaak

On 10.09.2013 02:02, Peter von Kaehne wrote:
> I hate to bring this up, now, when we really all want 1.7 out, but 
> current svn head produces a segmentation fault in imp2gbs. The
> other utilities insofar as I tested them seem to be fine.
> 
> Below the stacktrace. Tell me if you need more. I basically use 
> usrinst.sh produced binaries, with the only modification that I
> changed the install directory to /usr/local/bin
> 
> 
> 
> peter at peter-ThinkPad-Twist:~/Source/sword$ gdb
> /usr/local/bin/imp2gbs GNU gdb (GDB) 7.5-ubuntu Copyright (C) 2012
> Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or
> later <http://gnu.org/licenses/gpl.html> This is free software: you
> are free to change and redistribute it. There is NO WARRANTY, to
> the extent permitted by law.  Type "show copying" and "show
> warranty" for details. This GDB was configured as
> "i686-linux-gnu". For bug reporting instructions, please see: 
> <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from
> /usr/local/bin/imp2gbs...done. (gdb) r Starting program:
> /usr/local/bin/imp2gbs
> 
> Program received signal SIGSEGV, Segmentation fault. 0x08050b7a in
> sword::SWBuf::c_str (this=0x8) at ../include/swbuf.h:141 141
> inline const char *c_str() const{ return buf; } (gdb) bt #0
> 0x08050b7a in sword::SWBuf::c_str (this=0x8) at
> ../include/swbuf.h:141 #1  0x0805a790 in
> sword::SWOptionFilter::setOptionValue (this=0x8115b60 
> <greekAccentsFilter>, ival=0x80c715b "On") at
> ../src/modules/filters/swoptfilter.cpp:51 #2  0x0805aca2 in
> sword::UTF8GreekAccents::UTF8GreekAccents (this=0x8115b60
> <greekAccentsFilter>, __in_chrg=<optimised out>, 
> __vtt_parm=<optimised out>) at
> ../src/modules/filters/utf8greekaccents.cpp:43 #3  0x0805099d in
> __static_initialization_and_destruction_0 (__initialize_p=1,
> __priority=65535) at imp2gbs.cpp:62 #4  0x080509df in
> _GLOBAL__sub_I_imp2gbs.cpp(void) () at imp2gbs.cpp:273 #5
> 0x080c6ae2 in __libc_csu_init () #6  0xb77f046a in
> __libc_start_main () from /lib/i386-linux-gnu/libc.so.6 #7
> 0x0804f931 in _start () (gdb) #0  0x08050b7a in sword::SWBuf::c_str
> (this=0x8) at ../include/swbuf.h:141 #1  0x0805a790 in
> sword::SWOptionFilter::setOptionValue (this=0x8115b60 
> <greekAccentsFilter>, ival=0x80c715b "On") at
> ../src/modules/filters/swoptfilter.cpp:51 #2  0x0805aca2 in
> sword::UTF8GreekAccents::UTF8GreekAccents (this=0x8115b60
> <greekAccentsFilter>, __in_chrg=<optimised out>, 
> __vtt_parm=<optimised out>) at
> ../src/modules/filters/utf8greekaccents.cpp:43 #3  0x0805099d in
> __static_initialization_and_destruction_0 (__initialize_p=1,
> __priority=65535) at imp2gbs.cpp:62 #4  0x080509df in
> _GLOBAL__sub_I_imp2gbs.cpp(void) () at imp2gbs.cpp:273 #5
> 0x080c6ae2 in __libc_csu_init () #6  0xb77f046a in
> __libc_start_main () from /lib/i386-linux-gnu/libc.so.6 #7
> 0x0804f931 in _start () (gdb) #0  0x08050b7a in sword::SWBuf::c_str
> (this=0x8) at ../include/swbuf.h:141 #1  0x0805a790 in
> sword::SWOptionFilter::setOptionValue (this=0x8115b60 
> <greekAccentsFilter>, ival=0x80c715b "On") at
> ../src/modules/filters/swoptfilter.cpp:51 #2  0x0805aca2 in
> sword::UTF8GreekAccents::UTF8GreekAccents (this=0x8115b60
> <greekAccentsFilter>, __in_chrg=<optimised out>, 
> __vtt_parm=<optimised out>) at
> ../src/modules/filters/utf8greekaccents.cpp:43 #3  0x0805099d in
> __static_initialization_and_destruction_0 (__initialize_p=1,
> __priority=65535) at imp2gbs.cpp:62 #4  0x080509df in
> _GLOBAL__sub_I_imp2gbs.cpp(void) () at imp2gbs.cpp:273 #5
> 0x080c6ae2 in __libc_csu_init () #6  0xb77f046a in
> __libc_start_main () from /lib/i386-linux-gnu/libc.so.6 #7
> 0x0804f931 in _start () (gdb)
> 
> 
> 
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