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netlabel: fix export of SELinux categories > 127

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This fixes corrupted CIPSO packets when SELinux categories greater than 127
are used.  The bug occured on the second (and later) loops through the
while; the inner for loop through the ebitmap->maps array used the same
index as the NetLabel catmap->bitmap array, even though the NetLabel bitmap
is twice as long as the SELinux bitmap.

Signed-off-by: Joshua Roys <joshua.roys@gtri.gatech.edu>
Acked-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Joshua Roys 2010-02-24 18:52:44 -05:00 committed by James Morris
parent baac35c415
commit c36f74e67f
1 changed files with 1 additions and 1 deletions
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security/selinux/ss/ebitmap.c
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@ -128,7 +128,7 @@ int ebitmap_netlbl_export(struct ebitmap *ebmap,
cmap_idx = delta / NETLBL_CATMAP_MAPSIZE;
cmap_sft = delta % NETLBL_CATMAP_MAPSIZE;
c_iter->bitmap[cmap_idx]
|= e_iter->maps[cmap_idx] << cmap_sft;
|= e_iter->maps[i] << cmap_sft;
}
e_iter = e_iter->next;
}