Garrett Cooper napsal(a):
> On Tue, Jan 5, 2010 at 5:41 PM, Garrett Cooper<[email protected]> wrote:
>> On Tue, Jan 5, 2010 at 5:27 PM, Jiri Palecek<[email protected]> wrote:
>>> Michal Simek napsal(a):
>>>>
>>>> Hi,
>>>
>>> Hi,
>>>>
>>>> I have some problems with lchown02 test which is caused with this patch.
>>>> What is prep_create_link?
>>>>
>>>> Thanks,
>>>> Michal
>>>>
>>>>
>>>> http://git.kernel.org/?p=linux/kernel/git/galak/ltp.git;a=commitdiff;h=ee1a022fc76076d7fc1b6b1797c195244414c038
>>>>
>>>>
>>>>
>>>> diff --git a/runtest/syscalls b/runtest/syscalls
>>>> index fbe8641..34631ed 100644 (file)
>>>> --- a/runtest/syscalls
>>>> +++ b/runtest/syscalls
>>>> @@ -462,10 +462,10 @@ kill12 kill12
>>>>
>>>> lchown01 lchown01
>>>> lchown01_16 lchown01_16
>>>> -lchown02 cp -p $LTPROOT/testcases/bin/create_link $TMP; lchown02
>>>> -lchown02_16 cp -p $LTPROOT/testcases/bin/create_link $TMP; lchown02_16
>>>> +lchown02 prep_create_link; lchown02
>>>> +lchown02_16 prep_create_link; lchown02_16
>>>
>>> IMHO it should do the same as the line above. But I think the whole thing
>>> could be deleted without causing any grief:
>>>
>>> http://repo.or.cz/w/ltp-debian.git?a=commit;h=a5499edcf368fa88df924f94ffcbe63c22b46e82
>>
>> The test needs create_link in $TMP; that's why I scripted it as a
>> one-liner (but stupid me probably forgot to add the script to CVS
>> -_-).
>> Let me look and I'll get back to you shortly.
>
> Fixed. The executable needed CAP_CHOWN capability and that's part of
> the point behind that script...
Couldn't the executable just get CAP_CHOWN with cap_set_proc in case it is
running under root with restricted capabilities?
I'm not sure it wouldn't fail even with the suid-root executable under such
condition - are you really sure it doesn't (esp. in the face of lchown01, which
would fail almost surely and doesn't have this hack)?
Regards
Jiri Palecek
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