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Posted to issues@stdcxx.apache.org by "Travis Vitek (JIRA)" <ji...@apache.org> on 2008/05/02 00:48:55 UTC
[jira] Resolved: (STDCXX-888) [IBM XLC++/AIX] SIGSEGV in localedef
[ https://issues.apache.org/jira/browse/STDCXX-888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Travis Vitek resolved STDCXX-888.
---------------------------------
Resolution: Cannot Reproduce
Doesn't fail with a 15D build either. Unless some more information can be provided so that I can reproduce there isn't much else that I can do.
> [IBM XLC++/AIX] SIGSEGV in localedef
> ------------------------------------
>
> Key: STDCXX-888
> URL: https://issues.apache.org/jira/browse/STDCXX-888
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Utilities
> Affects Versions: trunk
> Environment: $ uname -srvp && xlC -qversion
> AIX 3 5 powerpc
> IBM XL C/C++ Enterprise Edition for AIX, V9.0
> Version: 09.00.0000.0000
> Reporter: Martin Sebor
> Assignee: Travis Vitek
> Fix For: 4.2.2
>
> Original Estimate: 6h
> Time Spent: 1h
> Remaining Estimate: 5h
>
> Compiling the test [{{22.locale.codecvt.length.cpp|http://svn.apache.org/repos/asf/stdcxx/trunk/tests/localization/22.locale.codecvt.length.cpp]. With IBM XLC++ 9.0 on AIX in 15d build type and running it from the command line (but not in the debugger or in nightly builds) makes it hang with the output below -- note the line that reads: {{Error: bad_alloc: out of memory}}:
> {noformat}
> $ TOPDIR=~/stdcxx-4.2.x ./22.locale.codecvt.length
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: IBM VisualAge C++, __IBMCPP__ = 900
> # ENVIRONMENT: powerpc running aix-5.3
> # FILE: 22.locale.codecvt.length.cpp
> # COMPILED: Apr 22 2008, 12:15:12
> # COMMENT:
> ############################################################
> # CLAUSE: lib.locale.codecvt.virtuals
> # NOTE (S2) (5 lines):
> # TEXT: executing "rm -rf /tmp/tmpfile-elUaaa"
> # CLAUSE: lib.locale.codecvt.virtuals
> # FILE: process.cpp
> # LINE: 276
> # NOTE (S2) (5 lines):
> # TEXT: executing "mkdir /tmp/tmpfile-elUaaa"
> # CLAUSE: lib.locale.codecvt.virtuals
> # FILE: process.cpp
> # LINE: 276
> # INFO (S1) (3 lines):
> # TEXT: std::codecvt<char, char, mbstate_t>::length (state_type&, const extern_type*, const extern_type*, size_t)
> # CLAUSE: lib.locale.codecvt.virtuals
> # INFO (S1) (3 lines):
> # TEXT: std::codecvt_byname<char, char, mbstate_t>::length (state_type&, const extern_type*, const extern_type*, size_t)
> # CLAUSE: lib.locale.codecvt.virtuals
> # INFO (S1) (3 lines):
> # TEXT: std::codecvt<wchar_t, char, mbstate_t>::length (state_type&, const extern_type*, const extern_type*, size_t)
> # CLAUSE: lib.locale.codecvt.virtuals
> # INFO (S1) (3 lines):
> # TEXT: std::codecvt_byname<wchar_t, char, mbstate_t>::length (state_type&, const extern_type*, const extern_type*, size_t)
> # CLAUSE: lib.locale.codecvt.virtuals
> # INFO (S1) (3 lines):
> # TEXT: locale ("UTF-8@UCS") [algorithmic encoding]
> # CLAUSE: lib.locale.codecvt.virtuals
> # NOTE (S2) (5 lines):
> # TEXT: executing "../bin/localedef -w701 -w702 -w706 -c -f /tmp/tmpfile-elUaaa/charmap -i /tmp/tmpfile-elUaaa/source /tmp/tmpfile-elUaaa/mb_cur_max-9"
> # CLAUSE: lib.locale.codecvt.virtuals
> # FILE: process.cpp
> # LINE: 276
> Error: bad_alloc: out of memory
> # ERROR (S8) (5 lines):
> # TEXT: the command "../bin/localedef -w701 -w702 -w706 -c -f /tmp/tmpfile-elUaaa/charmap -i /tmp/tmpfile-elUaaa/source /tmp/tmpfile-elUaaa/mb_cur_max-9" exited with status 4
> # CLAUSE: lib.locale.codecvt.virtuals
> # FILE: process.cpp
> # LINE: 306
> # ERROR (S8) (4 lines):
> # TEXT: failed to create a locale database
> # CLAUSE: lib.locale.codecvt.virtuals
> # LINE: 368
> # NOTE (S2) (5 lines):
> # TEXT: executing "locale -a > /tmp/tmpfile-ftUaab"
> # CLAUSE: lib.locale.codecvt.virtuals
> # FILE: process.cpp
> # LINE: 276
> {noformat}
> The contents of the charmap and locale files are here:
> {noformat}
> $ cat /tmp/tmpfile-EXUnqa/charmap
> <code_set_name> test_charmap
> <comment_char> %
> <escape_char> /
> <mb_cur_min> 1
> <mb_cur_max> 9
> CHARMAP
> <U0000> /x30 0
> <U0001> /x31 1
> <U0002> /x32/x32 22
> <U0003> /x33/x33/x33 333
> <U0004> /x34/x34/x34/x34 4444
> <U0005> /x35/x35/x35/x35/x35 55555
> <U0006> /x36/x36/x36/x36/x36/x36 666666
> <U0007> /x37/x37/x37/x37/x37/x37/x37 7777777
> <U0008> /x38/x38/x38/x38/x38/x38/x38/x38 88888888
> <U0009> /x39/x39/x39/x39/x39/x39/x39/x39/x39 999999999
> <U0010> /x41 A
> <U0011> /x42 B
> <U0012> /x43 C
> END CHARMAP
> $ cat /tmp/tmpfile-EXUnqa/source
> LC_CTYPE
> END LC_CTYPE
> {noformat}
> Running the {{localedef}} command from the command line alternately crashes with a {{SIGSEGV}} or (less frequently) fails with the same {{bad_alloc}} error as when running the test:
> {noformat}
> $ ../bin/localedef -w701 -w702 -w706 -c -f /tmp/tmpfile-EXUnqa/charmap -i /tmp/tmpfile-EXUnqa/source /tmp/tmpfile-EXUnqa/mb_cur_max-9
> Segmentation fault (core dumped)
> {noformat}
> The debugger shows the following stack trace for the crashed process:
> {noformat}
> $ dbx ../bin/localedef
> Type 'help' for help.
> [using memory image in core]
> reading symbolic information ...
> Segmentation fault in __DoThrowV6 at 0xd26a4b44 ($t1)
> 0xd26a4b44 (__DoThrowV6+0x2e0) 80830004 lwz r4,0x4(r3)
> (dbx) where
> __DoThrowV6() at 0xd26a4b44
> __rw_throw_exception(int,char*)(id = 3, what = (nil)), line 674 in "exception.cpp"
> __rw_throw(int,...)(id = 3, ... = 0x20017660, 0x8, 0x0, 0x0, 0x103a21bf, 0x103a21bf, 0x27fffab0), line 786 in "exception.cpp"
> __rw_allocate(unsigned long,int)(nbytes = 33536, = 0), line 72 in "memory.cpp"
> collate.allocate(unsigned long,const void*)(0x2ff214fc, 0x20, 0x0), line 145 in "_allocator.h"
> __rw::__rb_tree<unsigned int,std::pair<const unsigned int,Def::offset_tab_t>,__rw::__select1st<std::pair<const unsigned int,Def::offset_tab_t>,unsigned int>,std::less<unsigned int>,std::allocator<std::pair<const unsigned int,Def::offset_tab_t> > >::_C_add_new_buffer()(this = 0x2ff21964), line 144 in "_tree.cc"
> collate._C_get_link()(0x2ff21964), line 362 in "_tree.h"
> def.__rw::__rb_tree<unsigned int,std::pair<const unsigned int,Def::offset_tab_t>,__rw::__select1st<std::pair<const unsigned int,Def::offset_tab_t>,unsigned int>,std::less<unsigned int>,std::allocator<std::pair<const unsigned int,Def::offset_tab_t> > >::_C_get_node()(this = 0x2ff21964), line 393 in "_tree.h"
> __rw::__rb_tree<unsigned int,std::pair<const unsigned int,Def::offset_tab_t>,__rw::__select1st<std::pair<const unsigned int,Def::offset_tab_t>,unsigned int>,std::less<unsigned int>,std::allocator<std::pair<const unsigned int,Def::offset_tab_t> > >::_C_init()(this = 0x2ff21964), line 460 in "_tree.h"
> __rw::__rb_tree<unsigned int,std::pair<const unsigned int,Def::offset_tab_t>,__rw::__select1st<std::pair<const unsigned int,Def::offset_tab_t>,unsigned int>,std::less<unsigned int>,std::allocator<std::pair<const unsigned int,Def::offset_tab_t> > >::__rb_tree(const std::less<unsigned int>&,const std::allocator<std::pair<const unsigned int,Def::offset_tab_t> >&)(this = 0x2ff21964, __cmp = &(...), __alloc = &(...)), line 56 in "_tree.cc"
> map(const std::less<unsigned int>&,const std::allocator<std::pair<const unsigned int,Def::offset_tab_t> >&)(this = 0x2ff21964, __cmp = &(...), __alloc = &(...)), line 124 in "map"
> Def::Def(const char*,const char*,Charmap&,bool)(this = 0x2ff217c0, filename = "/tmp/tmpfile-EXUnqa/source", out_name = "/tmp/tmpfile-EXUnqa/mb_cur_max-9", char_map = &(...), no_position = false), line 533 in "def.cpp"
> create_locale(std::basic_string<char,std::char_traits<char>,std::allocator<char> >,std::basic_string<char,std::char_traits<char>,std::allocator<char> >,std::basic_string<char,std::char_traits<char>,std::allocator<char> >,std::basic_string<char,std::char_traits<char>,std::allocator<char> >,bool,bool,bool,bool)(std_src = &(...), std_cmap = &(...), outdir = &(...), std_locale = &(...), force_output = true, use_ucs = false, no_position = false, link_aliases = false), line 212 in "localedef.cpp"
> unnamed block in localedef_main(int,char**)(argc = 10, argv = 0x2ff22994), line 561 in "localedef.cpp"
> localedef_main(int,char**)(argc = 10, argv = 0x2ff22994), line 561 in "localedef.cpp"
> main(argc = 10, argv = 0x2ff22994), line 596 in "localedef.cpp"
> {noformat}
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