On Mon, Sep 30, 2013 at 7:00 PM, René Scharfe <l....@web.de> wrote:
> Am 29.09.2013 04:56, schrieb Wataru Noguchi:
>> Hi,
>>
>> Thanks for comments.
>>
>> My currently working repository is
>>
>> https://github.com/wnoguchi/git/tree/hotfix/mingw-multibyte-path-checkout-failure
>>
>> I have revert commits to 1f10da3.
>> I'll try failure step.
>>
>> - gcc optimization level is O2.(fail)
>> - gcc O0, O1 works fine.
>>
>>
>> $ gdb git-clone
>> GNU gdb 6.8
>> Copyright (C) 2008 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-pc-mingw32"...
>> (gdb) r https://github.com/wnoguchi/mingw-checkout-crash.git
>> Starting program: C:\msysgit\git/git-clone.exe 
>> https://github.com/wnoguchi/mingw
>> -checkout-crash.git
>> [New thread 800.0xa10]
>> Error: dll starting at 0x779f0000 not found.
>> Error: dll starting at 0x75900000 not found.
>> Error: dll starting at 0x779f0000 not found.
>> Error: dll starting at 0x778f0000 not found.
>> [New thread 800.0x92c]
>> Cloning into 'mingw-checkout-crash'...
>> Error: dll starting at 0x29f0000 not found.
>> remote: Counting objects: 8, done.
>> remote: Compressing objects: 100% (7/7), done.
>> remote: Total 8 (delta 0), reused 8 (delta 0)
>> Unpacking objects: 100% (8/8), done.
>> Checking connectivity... done
>> [New thread 800.0xea0]
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x004d5200 in git_check_attr (
>>       path=0xacc6a0 ""..., num=5, check=0x572440) at attr.c:754
>> 754                     const char *value = 
>> check_all_attr[check[i].attr->attr_n
>> r].value;
>> (gdb) list
>> 749             int i;
>> 750
>> 751             collect_all_attrs(path);
>> 752
>> 753             for (i = 0; i < num; i++) {
>> 754                     const char *value = 
>> check_all_attr[check[i].attr->attr_n
>> r].value;
>> 755                     if (value == ATTR__UNKNOWN)
>> 756                             value = ATTR__UNSET;
>> 757                     check[i].value = value;
>> 758             }
>
> I get a different crash on Linux if I set PATH_MAX to 260.  The following
> hackish patch prevents it.

Interesting. It does not seem to help here. Multiple issues in the
same code-path?

>  Does it help in your case as well?  If it does
> then I'll send a nicer (but longer) one.

Sounds like something that's still worth investigating, even if it
does not help.
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