From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH RESEND] syscalls/prctl06.c: New test for prctl() with PR_{SET, GET}_NO_NEW_PRIVS
Date: Thu, 11 Jul 2019 13:34:05 +0200 [thread overview]
Message-ID: <20190711113405.GA27889@rei.lan> (raw)
In-Reply-To: <5D26EBEF.3090604@cn.fujitsu.com>
Hi!
> > We are executing setuid binary that was created by root here so
> > shouldn't we just check that getuid() and getgid() returns 0?
> >
> I try it. whether we set or not set new privs, the getuid() or getgid() return nobody in
> prctl06_execve. Or, I misunderstand your advise?
Looking closely into the manuals the setuid and setgid bits are supposed
to set the effective ids, so I guess that the geteuid() and getegid()
will return 0 when the process was executed without the prctl().
--
Cyril Hrubis
chrubis@suse.cz
next prev parent reply other threads:[~2019-07-11 11:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-09 12:21 [LTP] [PATCH] syscalls/prctl06.c: New test for prctl() with PR_{SET, GET}_NO_NEW_PRIVS Yang Xu
2019-05-22 10:18 ` xuyang
2019-05-23 11:52 ` Cyril Hrubis
2019-06-14 10:32 ` Yang Xu
2019-07-09 10:53 ` Cyril Hrubis
2019-07-05 22:48 ` [LTP] [PATCH RESEND] " Yang Xu
2019-07-10 10:52 ` Cyril Hrubis
2019-07-11 7:57 ` Yang Xu
2019-07-11 11:34 ` Cyril Hrubis [this message]
2019-07-12 4:34 ` Yang Xu
2019-07-12 4:53 ` [LTP] [PATCH v3] syscalls/prctl06: " Yang Xu
2019-07-15 15:49 ` Cyril Hrubis
2019-07-16 5:32 ` Yang Xu
2019-07-10 9:42 ` [LTP] [PATCH] syscalls/prctl06.c: " Yang Xu
2019-06-19 10:58 ` [LTP] [PATCH v2] " Yang Xu
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