[sword-devel] Segmentation fault - was Re: SWORD 1.7.0RC3
Troy A. Griffitts
scribe at crosswire.org
Tue Sep 10 08:12:39 MST 2013
Hey Jaak,
Thank, yeah, but why? :)
My investigation turns up:
shared build works fine and valgrinds clean
static build on g++ (GCC) 4.8.1 (F19) fails
static build on g++ (GCC) 4.4.7 (RHEL 6.4) works fine and valgrinds clean
In the error case, it seems that std::list's c-tor(iterator start,
iterator end) doesn't get called appropriately, though all the other
file globals get initialized just fine.
I moved the global filter in the utility to a stack variable and it
alleviates the problem, but still wonder why the problem in the first place.
Any advice would be appreciated. If I'm doing something wrong, I'd like
to change it, but right now I'm going with "compiler bug" :)
Troy
On 09/10/2013 08:20 AM, Jaak Ristioja wrote:
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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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