On Thu, 2008-04-17 at 00:33 -0400, Mike Frysinger wrote:
> On Monday 14 April 2008, S.Çağlar Onur wrote:
> > Compiling LTP with "-fstack-protector -D_FORTIFY_SOURCE=2" ends up with
> > some test failures like following;
>
> each case will have to be analyzed individually to make sure the test is
> doing
> what we expect. we often pass bad pointers and values and such *on purpose*
> to make sure the POSIX interfaces are working properly. building things with
> SSP and fortification will simply get in the way.
>
> > And even after some time machine goes down and hard reboot neeeded,
> > following output is failed tests list but machine freezes before LTP
> > completes its tests so i'm not sure which test causes lockup.
>
> you either got fork bombed (or similar resource starvation), or LTP is doing
> its job and finding non-robustness in the system which needs to be fixed.
> nothing in userspace should be able to take down the system.
>
> i actually dont think most (any?) of the LTP tests need to be run as root ...
Yes most of them need not be run as a root. But yes there are some
couple of such tests, which need that. I do not have a list. But a quick
run with non-root user will find that out. And that too is also handled
properly (for most of the test cases which require root privilege, BROKs
and says that it can be executed only under root).
> perhaps Subrata can comment on that. we should probably have an LTP function
> for test cases that require root which we can call at the start of the
> function ... so in our test cases we call like:
> ltp_require_root();
>
> and in the library we have like:
> void ltp_require_root(void)
> {
> if (getuid()) {
> tst_resm(TWARN, "%s: test requires root, skipping\n", TCID);
> tst_exit();
> }
> }
This will be very handy for all new upcoming testcases, and, if i am not
wrong such checking may already exist. Just not sure.
Regards--
Subrata
> -mike
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