From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH v2] syscalls/execveat01: new test to verify execveat unlinked fd
Date: Wed, 8 Aug 2018 16:41:55 +0200 [thread overview]
Message-ID: <20180808144155.GG19147@rei> (raw)
In-Reply-To: <CAEemH2f8di2qLvKPmutiO64w+YOxVbHxZgggvqtM-TPS5TU8eg@mail.gmail.com>
Hi!
> static void do_child(void)
> {
> ...
>
> /* Check if system support execveat() correctly */
> TEST(execveat(fd, "", argv, environ, AT_EMPTY_PATH));
> /* Do TCONF if we get EINVAL here */
>
> SAFE_UNLINK(TEST_FILE_PATH);
>
> /* Do your testing */
> TEST(execveat(fd, "", argv, environ, AT_EMPTY_PATH));
> /* Here if we get EINVAL again that means hit a bug! */
> }
>
> Did I miss anything?
It's a bit more complicated than that, we have to fork() first and run
the check in the child otherwise we will never get to the test code, as
we will either do tst_brk(TBROK) or execute the child code instead...
I will write the code to check it and amend the test before applying to
the tree.
--
Cyril Hrubis
chrubis@suse.cz
next prev parent reply other threads:[~2018-08-08 14:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-01 8:17 [LTP] [PATCH v2] syscalls/execveat01: new test to verify execveat unlinked fd Eddie.Horng
2018-08-01 11:17 ` Li Wang
2018-08-01 12:53 ` Cyril Hrubis
2018-08-03 9:32 ` Eddie Horng
2018-08-06 9:26 ` Li Wang
2018-08-08 14:41 ` Cyril Hrubis [this message]
2018-08-08 14:48 ` Cyril Hrubis
2018-08-09 9:04 ` Cyril Hrubis
2018-08-10 9:32 ` Eddie Horng
2018-09-11 15:24 ` Jan Stancek
2018-09-12 1:44 ` Eddie Horng
2018-09-12 7:04 ` Jan Stancek
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