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List:       kde-bugs-dist
Subject:    [Bug 54121] security certificate not stored "forever"
From:       Leon Bottou <leon () bottou ! org>
Date:       2003-03-11 14:58:01
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http://bugs.kde.org/show_bug.cgi?id=54121     




------- Additional Comments From leon@bottou.org  2003-03-11 15:57 -------
Subject: Re:  security certificate not stored "forever"

> What I should do (and haven't done yet) is to apply the diff to
> KDE_3_1_BRANCH and recompile in the hope of reproducing the bug.  So far I
> always had the bug with precompiled binaries.

I just did that. No bug!

I have now two versions of libkio.so.4.1.0 compiled from the same 
source below kdelibs/kio.  One has the bug and the other does not.

There are small differences in them such as the order of the subroutines.
But the following commands return exactly the same results for both binaries:

  # Counts how many times each assembly language instruction occurs.
  $ objdump -d libkio.so.4.1.0 | grep '^ *[0-9a-f]*:' | cut -f3 | cut -d' ' -f1 | \
sort | uniq -c | sort -nr  207998 mov
  54008 call
  26714 lea
  19703 jmp
  18317 nop
 ....
 # Compare relocation records
 $ objdump -C --dynamic-reloc libkio.so.4.1.0 | sort
 ....
 00299814 R_386_JUMP_SLOT   QDir::absPath() const
 ....

Next step for me is to perform 'rpm -ba' on Mandrake's source rpm
and check the resulting libkio.so.4.1.0...

Any better idea?

- Leon


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