... he does, > If it is not, lets do the patch, but not ... to always allow to ptrace init. > If it is dangerous, option does ... it is so special so that we can't debug/strace it ... _not_ work as expected ?) Oleg. -- To unsubscribe from this list: send ...

linux-kernel - Oleg Nesterov - Mar 24 2008 - 12:40

... -sign.ru> wrote: > > > Ptracing of /sbin/init is not allowed. Of ... init. Especially if you try to make your own distribution / your ... not able to patch the kernel and then strace/debug init ... extra foot-protector for this, it could be a > runtime /proc/ ...

linux-kernel - Oleg Nesterov - Mar 24 2008 - 18:56

... does, > > > If it is not, lets do the patch, but not ... always allow to ptrace init. > > > If it is dangerous, option does ... it is so special so that we can't > debug/strace ... les: http://www.ujezdskystrom.info/ -- To unsubscribe from this list: send ...

linux-kernel - Pavel Machek - Mar 24 2008 - 18:39

... is not allowed. Of course, this is dangerous, but may > > > > be useful. ... to have the ability > > to debug/strace init. Especially if you try to ... of the top's output, with this patch I have a > > chance to ... I think it would be right to allow to ptrace init ...

linux-kernel - Oleg Nesterov - Mar 24 2008 - 19:29

... it is so special so that we can't > > > debug/strace ... fact that they cannot ptrace init to effectively re-gain those ... Stephen Smalley National Security Agency -- To unsubscribe from this list: send ... the body of a message to majordomo@vger.kernel.org More ...

linux-kernel - Stephen Smalley - Mar 25 2008 - 08:03

... it is so special so that we can't > > > > debug/strace ... fact that they cannot ptrace init to effectively re-gain > those ... t useful. There are likely to be other tasks with all ... his mischief, right? thanks, -serge -- To unsubscribe from this list: send ...

linux-kernel - Serge E. Hallyn - Mar 25 2008 - 09:40

... Pavel Machek wrote: > > > > > > > > > /sbin/init is important, but there are other ... it is so special so that we can't > > > > > debug/strace ... can do it). I'm not sure though as to whether ... fact that they cannot ptrace init to effectively re-gain > > those ...

linux-kernel - Stephen Smalley - Mar 25 2008 - 10:37

... 24, Pavel Machek wrote: > > > > > > > > > > > /sbin/init is important, but there are other important ... Why it is so special so that we can't > > > > > > debug/strace it ... the fact that they cannot ptrace init to effectively re-gain > > > those capabilities ...

linux-kernel - Serge E. Hallyn - Mar 25 2008 - 14:06

... 24, Pavel Machek wrote: > > > > > > > > > > > > > /sbin/init is important, but there are other important ... Why it is so special so that we can't > > > > > > > debug/strace it? ... the fact that they cannot ptrace init to effectively re-gain > > > > those ...

linux-kernel - Herbert Poetzl - Mar 25 2008 - 15:07

... -sign.ru> wrote: > > > > > Ptracing of /sbin/init is not allowed. Of ... needed? > > Well, this is the question. I think it would be ... have the ability > to debug/strace init. Especially if you try ... the top's output, with this patch I have a > chance ...

linux-kernel - Andrew Morton - Mar 24 2008 - 19:08

... /etc/inittab until continued. It is even possible to crash init (and thus the ... --- 25/kernel/ptrace.c~5_INIT_PTRACE 2008-03-16 17:22 ... { struct task_struct *child; - /* - * Tracing init is not allowed. - */ - if (pid == 1) - ...

linux-kernel - Oleg Nesterov - Mar 23 2008 - 09:51

... /init as init > process. > > + init_ptrace [KNL] Allows to ptrace init. > + No words about it being ... not, lets do the patch, but not optional. If it is dangerous, option does not make it better. -- (english) http://www.livejournal.com/~ ...

linux-kernel - Pavel Machek - Mar 24 2008 - 12:01

... unconditionally if there was some mechanism > to make sure someone else takes ... isn't even necessary, unless you ptrace init for a long time. ... with the simple 1-line patch. > I like the general idea ... used to patch kernels to allow this too, > but it is ...

linux-kernel - Krzysztof Halasa - Mar 25 2008 - 10:16

... enable root's abiltiy to ptrace init? > > It would be fine ... over reaping childs while init is ptraced. I think we can ... I'll re-send this patch as one-liner, without any ... a final authoritative decision ;) Oleg. -- To unsubscribe from this list: send ...

linux-kernel - Oleg Nesterov - Mar 25 2008 - 13:42

... Pavel, do you have objections to allowing ptrace of init? > (I believe Eric has already Acked the idea ... ?) I 100% agree with the patch. And I always say this to ... " in the body of a message to majordomo@vger.kernel.org More majordomo ...

linux-kernel - Pavel Emelyanov - Mar 26 2008 - 11:47

... 03/24, Pavel Machek wrote: > > > /sbin/init is important, but there are other important (and ... . Why it is so special so that we can't > > debug/strace it? > ... /sbin/init ptraceable by default? Oleg. -- To unsubscribe from this list: send the line ...

linux-kernel - Oleg Nesterov - Mar 24 2008 - 19:04

... unconditionally if there was some mechanism to make sure someone else takes over reaping childs while init is ptraced. I like the general ... i used to patch kernels to allow this too, but it is ... the body of a message to majordomo@vger.kernel.org More ...

linux-kernel - Andi Kleen - Mar 25 2008 - 06:00

... , do you have objections to allowing ptrace of init? |> (I believe Eric ... line option or sysctl. It is not worth it). Cheers Andrew -----BEGIN PGP ... snEU/yiVdWQ4cGSwbU3A8Hg= =xArK -----END PGP SIGNATURE----- -- To unsubscribe from this list: send ...

linux-kernel - Andrew Morgan - Mar 26 2008 - 11:31

... 03/24, Pavel Machek wrote: > > > > > /sbin/init is important, but there are other important ( ... . Why it is so special so that we can't > > > debug/strace it? > ... klanovicky les: http://www.ujezdskystrom.info/ -- To unsubscribe from this list: send the ...

linux-kernel - Pavel Machek - Mar 24 2008 - 19:09