From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Stancek Date: Wed, 6 Nov 2019 10:28:37 -0500 (EST) Subject: [LTP] [PATCH v2 1/2] read_all: move blacklist to source In-Reply-To: <87o8xpdw0l.fsf@rpws.prws.suse.cz> References: <4647b3bced96c66c040078a32c13dab65558816d.1572956488.git.jstancek@redhat.com> <87o8xpdw0l.fsf@rpws.prws.suse.cz> Message-ID: <2124877733.10763434.1573054117742.JavaMail.zimbra@redhat.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it ----- Original Message ----- > > +static char *blacklist[] = { > > + NULL, /* reserved for -e parameter */ > > + "/sys/power/wakeup_count", > > +}; > > The problem with this is that it is only required if we are running as a > privileged user. If -p is specified then it would be a bug if nobody can > read from any of these files. > > So I guess we could disable the builtin blacklist if drop_privs (switch > to nobody) is specified Good point. I just saw your reply that you plan to send a patch, thank you. > and run this test twice on /sys with and without > -p. greg-kh wasn't very happy to hear about privileged runs in the other thread. He was suggesting whitelist approach, but I don't know how we would keep it up to date, deal with different configs, etc.