Re: [LTP] Issue observed with chmod05, fchmod05 test cases

[Sharyathi Nagesh <sharyath@in.ibm.com>]

Wei Yongjun wrote:

>> ------------------------------------------------------------
>>
>> Should we treat this as Test case issue or kernel bug?
> 
> The different of 'nobody' and 'bin' is bin->GID has the CAP_FSETID 
> capability, but nobody->GID has not, I think.


I tried with a small program to check out the capabilities of bin and nobody couldn't find 
any difference

This is what I tried
Program I used
------------------------------
int main()
{
	cap_t cap = cap_get_proc();
	printf("Running with uid %d\n", getuid());
	printf("Running with capabilities: %s\n", cap_to_text(cap, NULL));
	cap_free(cap);
	return 0;
}
------------------------------
Running the program under different user gave same information

mx3455a:/home/sharyathi # su bin
bin@mx3455a:/home/sharyathi> ./a.out
Running with uid 1
Running with capabilities: =
bin@mx3455a:/home/sharyathi> exit

mx3455a:/home/sharyathi # su nobody
nobody@mx3455a:/home/sharyathi> ./a.out
Running with uid 65534
Running with capabilities: =

Thanks
Sharyathi N

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