Hi all,
This is on RedHat 7.1. I've tried it with the delivered gcc 2.96 and
also with gcc 3.1.1. and aspell-0.50-20020815. While checking a file
with the following command line
aspell -c -t --add-tex-command="bibliography p" \
--add-tex-command="verbatim p" --add-tex-command="figure o p" \
--add-tex-command="texttt p" --lang=en_GB foo.tex
with empty personal dictionary, it segfaults after the 10th word found.
This is gdb's output (I compiled aspell again without -O2):
Program received signal SIGSEGV, Segmentation fault.
0x403061bd in memmove (dest=0x407bb008, src=0x8081a5b, len=43254420) at
../sysdeps/generic/memmove.c:73
in ../sysdeps/generic/memmove.c
Current language: auto; currently c
(gdb) where
#0 0x403061bd in memmove (dest=0x407bb008, src=0x8081a5b, len=43254420) at
../sysdeps/generic/memmove.c:73
#1 0x0805d0ea in __copy_trivial<char> (__first=0x8081a5b "", __last=0xa9c1cef
<Address 0xa9c1cef out of bounds>, __result=0x407bb008 "") at bits/stl_algobase.h:252
#2 0x0805cc87 in __copy_aux2<char> (__first=0x8081a5b "", __last=0xa9c1cef <Address
0xa9c1cef out of bounds>, __result=0x407bb008 "") at bits/stl_algobase.h:272
#3 0x0805c77c in __copy_ni2<char*, __gnu_cxx::__normal_iterator<char*,
std::vector<char, std::allocator<char> > > > (__first=0x8081a5b "", __last=0xa9c1cef
<Address 0xa9c1cef out of bounds>,
__result={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x407bb008 ""}) at bits/stl_algobase.h:289
#4 0x0805ba57 in __copy_ni1<__gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > >, __gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > > >
(__first={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x8081a5b ""},
__last={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0xa9c1cef <Address 0xa9c1cef out of bounds>},
__result={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x407bb008 ""}) at bits/stl_algobase.h:314
#5 0x0805b10e in copy<__gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > >, __gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > > >
(__first={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x8081a5b ""},
__last={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0xa9c1cef <Address 0xa9c1cef out of bounds>},
__result={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x407bb008 ""}) at bits/stl_algobase.h:349
#6 0x0805b6f7 in __uninitialized_copy_aux<__gnu_cxx::__normal_iterator<char*,
std::vector<char, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char*,
std::vector<char, std::allocator<char> > > >
(__first={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x8081a5b ""},
__last={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0xa9c1cef <Address 0xa9c1cef out of bounds>},
__result={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x407bb008 ""}) at bits/stl_uninitialized.h:76
#7 0x0805af7c in uninitialized_copy<__gnu_cxx::__normal_iterator<char*,
std::vector<char, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char*,
std::vector<char, std::allocator<char> > > >
(__first={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x8081a5b ""},
__last={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0xa9c1cef <Address 0xa9c1cef out of bounds>},
__result={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x407bb008 ""}) at bits/stl_uninitialized.h:112
#8 0x0805ea36 in void std::vector<char, std::allocator<char>
>::_M_range_insert<__gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > > >(__gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > >, __gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > >, __gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > >, std::forward_iterator_tag) (this=0xbfffd314,
__position={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No
data fields>}, _M_current = 0x0},
__first={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x8081a5b ""},
__last={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0xa9c1cef <Address 0xa9c1cef out of bounds>}) at
bits/stl_vector.h:1058
#9 0x0805e62b in _M_insert_dispatch<__gnu_cxx::__normal_iterator<char*,
std::vector<char, std::allocator<char> > > > (this=0xbfffd314,
__pos={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x0},
__first={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x8081a5b ""},
__last={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0xa9c1cef <Address 0xa9c1cef out of bounds>}) at
bits/stl_vector.h:596
#10 0x0805e33f in insert<__gnu_cxx::__normal_iterator<char*, std::vector<char,
std::allocator<char> > > > (this=0xbfffd314,
__pos={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x0},
__first={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0x8081a5b ""},
__last={<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data
fields>}, _M_current = 0xa9c1cef <Address 0xa9c1cef out of bounds>}) at
bits/stl_vector.h:581
#11 0x0805d9a2 in CheckerString::get_word(acommon::CharVector&) (this=0x806e0d0,
w=@0xbfffd310) at checker_string.hpp:74
#12 0x08054ea8 in check(bool) (interactive=true) at aspell.cpp:728
#13 0x080517ab in main (argc=10, argv=0xbfffdbb4) at aspell.cpp:291
#14 0x4029e336 in __libc_start_main (main=0x80509a0 <main>, argc=10,
ubp_av=0xbfffdbb4, init=0x804fe90 <_init>, fini=0x8061c3c <_fini>,
rtld_fini=0x4000d2fc <_dl_fini>, stack_end=0xbfffdbac) at
../sysdeps/generic/libc-start.c:129
I don't really want to disclose the file to the world and haven't been
able to reproduce it with a smaller file. If I succeed with this, I'll
post the file here ASAP. But as the point of failure is within memmove,
the error might only show with not-so-small files (mine is 21kB).
I'm open for any suggestions what to try (maybe some other gdb output?).
Regards, Nils
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