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AppArmor: Add mising end of structure test to caps unpacking

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The unpacking of struct capsx is missing a check for the end of the
caps structure.  This can lead to unpack failures depending on what else
is packed into the policy file being unpacked.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Kees Cook <kees@ubuntu.com>
This commit is contained in:
John Johansen 2012-02-16 07:06:41 -08:00
parent d384b0a1a3
commit cdbd2884df
1 changed files with 2 additions and 0 deletions
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2
security/apparmor/policy_unpack.c
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@ -554,6 +554,8 @@ static struct aa_profile *unpack_profile(struct aa_ext *e)
goto fail;
if (!unpack_u32(e, &(profile->caps.extended.cap[1]), NULL))
goto fail;
if (!unpack_nameX(e, AA_STRUCTEND, NULL))
goto fail;
}
if (!unpack_rlimits(e, profile))