From: "Indan Zupancic" <indan@nul.nu> To: "Chris Evans" <scarybeasts@gmail.com> Cc: "Andi Kleen" <andi@firstfloor.org>, "Jamie Lokier" <jamie@shareable.org>, "Andrew Lutomirski" <luto@mit.edu>, "Oleg Nesterov" <oleg@redhat.com>, "Will Drewry" <wad@chromium.org>, linux-kernel@vger.kernel.org, keescook@chromium.org, john.johansen@canonical.com, serge.hallyn@canonical.com, coreyb@linux.vnet.ibm.com, pmoore@redhat.com, eparis@redhat.com, djm@mindrot.org, torvalds@linux-foundation.org, segoon@openwall.com, rostedt@goodmis.org, jmorris@namei.org, avi@redhat.com, penberg@cs.helsinki.fi, viro@zeniv.linux.org.uk, mingo@elte.hu, akpm@linux-foundation.org, khilman@ti.com, borislav.petkov@amd.com, amwang@redhat.com, ak@linux.intel.com, eric.dumazet@gmail.com, gregkh@suse.de, dhowells@redhat.com, daniel.lezcano@free.fr, linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, olofj@chromium.org, mhalcrow@google.com, dlaor@redhat.com, "Roland McGrath" <mcgrathr@chromium.org> Subject: Re: Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF] Date: Thu, 19 Jan 2012 01:14:24 +0100 [thread overview] Message-ID: <54555afe915a79f7e77ee0f44ee6cb67.squirrel@webmail.greenhost.nl> (raw) In-Reply-To: <CAMnK33WAUA7bNFKA8BmLHq9+sdMV9xeOvZ8T1iZSH1GFKNe3ZQ@mail.gmail.com> On Wed, January 18, 2012 22:13, Chris Evans wrote: > On Wed, Jan 18, 2012 at 4:12 AM, Indan Zupancic <indan@nul.nu> wrote: >> On Wed, January 18, 2012 06:43, Chris Evans wrote: >>> 2) Tracee traps >>> 2b) Tracee could take a SIGKILL here >>> 3) Tracer looks at registers; bad syscall >>> 3b) Or tracee could take a SIGKILL here >>> 4) The only way to stop the bad syscall from executing is to rewrite >>> orig_eax (PTRACE_CONT + SIGKILL only kills the process after the >>> syscall has finished) >> >> Yes, we rewrite it to -1. >> >>> 5) Disaster: the tracee took a SIGKILL so any attempt to address it by >>> pid (such as PTRACE_SETREGS) fails. >> >> I assume that if a task can execute system calls and we get ptrace events >> for that, that we can do other ptrace operations too. Are you saying that >> the kernel has this ptrace gap between SIGKILL and task exit where ptrace >> doesn't work but the task continues executing system calls? That would be >> a huge bug, but it seems very unlikely too, as the task is stopped and >> shouldn't be able to disappear till it is continued by the tracer. >> >> I mean, really? That would be stupid. Okay, I tested this scenario and you're right, we're screwed. What the hell guys? What about other PID checks in the kernel, are they still safe if the process looks dead but is still active? Or is it a ptrace-only problem? >> If true we have to work around it by disallowing SIGKILL and just sending >> them ourselves within the jail. Meh. I guess this helps a bit. It doesn't prevent external signals, but prisoners don't have control over that. Is this SIGKILL specific or is it true for all task ending signals? >> How will you avoid file path races with BPF? > > There is typically no need for file-path based access control in an FTP server. > Take for example anonymous FTP, which will typically be inside a > chroot() to /var/ftp. Inside that filesystem tree -- if you can open() > it, you can have it. Ah, you count on having root access. We don't. Do you know any more crazy security destroying holes? Thanks, Indan
WARNING: multiple messages have this Message-ID (diff)
From: "Indan Zupancic" <indan@nul.nu> To: "Chris Evans" <scarybeasts@gmail.com> Cc: "Andi Kleen" <andi@firstfloor.org>, "Jamie Lokier" <jamie@shareable.org>, "Andrew Lutomirski" <luto@mit.edu>, "Oleg Nesterov" <oleg@redhat.com>, "Will Drewry" <wad@chromium.org>, linux-kernel@vger.kernel.org, keescook@chromium.org, john.johansen@canonical.com, serge.hallyn@canonical.com, coreyb@linux.vnet.ibm.com, pmoore@redhat.com, eparis@redhat.com, djm@mindrot.org, torvalds@linux-foundation.org, segoon@openwall.com, rostedt@goodmis.org, jmorris@namei.org, avi@redhat.com, penberg@cs.helsinki.fi, viro@zeniv.linux.org.uk, mingo@elte.hu, akpm@linux-foundation.org, khilman@ti.com, borislav.petkov@amd.com, amwang@redhat.com, ak@linux.intel.com, eric.dumazet@gmail.com, gregkh@suse.de, dhowells@redhat.com, daniel.lezcano@free.fr, linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, olofj@chromium.org, mhalcrow@google.com, dlaor@redhat.com, "Roland McGrath Subject: Re: Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF] Date: Thu, 19 Jan 2012 01:14:24 +0100 [thread overview] Message-ID: <54555afe915a79f7e77ee0f44ee6cb67.squirrel@webmail.greenhost.nl> (raw) In-Reply-To: <CAMnK33WAUA7bNFKA8BmLHq9+sdMV9xeOvZ8T1iZSH1GFKNe3ZQ@mail.gmail.com> On Wed, January 18, 2012 22:13, Chris Evans wrote: > On Wed, Jan 18, 2012 at 4:12 AM, Indan Zupancic <indan@nul.nu> wrote: >> On Wed, January 18, 2012 06:43, Chris Evans wrote: >>> 2) Tracee traps >>> 2b) Tracee could take a SIGKILL here >>> 3) Tracer looks at registers; bad syscall >>> 3b) Or tracee could take a SIGKILL here >>> 4) The only way to stop the bad syscall from executing is to rewrite >>> orig_eax (PTRACE_CONT + SIGKILL only kills the process after the >>> syscall has finished) >> >> Yes, we rewrite it to -1. >> >>> 5) Disaster: the tracee took a SIGKILL so any attempt to address it by >>> pid (such as PTRACE_SETREGS) fails. >> >> I assume that if a task can execute system calls and we get ptrace events >> for that, that we can do other ptrace operations too. Are you saying that >> the kernel has this ptrace gap between SIGKILL and task exit where ptrace >> doesn't work but the task continues executing system calls? That would be >> a huge bug, but it seems very unlikely too, as the task is stopped and >> shouldn't be able to disappear till it is continued by the tracer. >> >> I mean, really? That would be stupid. Okay, I tested this scenario and you're right, we're screwed. What the hell guys? What about other PID checks in the kernel, are they still safe if the process looks dead but is still active? Or is it a ptrace-only problem? >> If true we have to work around it by disallowing SIGKILL and just sending >> them ourselves within the jail. Meh. I guess this helps a bit. It doesn't prevent external signals, but prisoners don't have control over that. Is this SIGKILL specific or is it true for all task ending signals? >> How will you avoid file path races with BPF? > > There is typically no need for file-path based access control in an FTP server. > Take for example anonymous FTP, which will typically be inside a > chroot() to /var/ftp. Inside that filesystem tree -- if you can open() > it, you can have it. Ah, you count on having root access. We don't. Do you know any more crazy security destroying holes? Thanks, Indan
next prev parent reply other threads:[~2012-01-19 0:14 UTC|newest] Thread overview: 409+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-01-11 17:25 [RFC,PATCH 0/2] dynamic seccomp policies (using BPF filters) Will Drewry 2012-01-11 17:25 ` [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF Will Drewry 2012-01-12 8:53 ` Serge Hallyn 2012-01-12 16:54 ` Will Drewry 2012-01-12 16:54 ` Will Drewry 2012-01-12 14:50 ` Oleg Nesterov 2012-01-12 16:55 ` Will Drewry 2012-01-12 16:55 ` Will Drewry 2012-01-12 15:43 ` Steven Rostedt 2012-01-12 16:14 ` Oleg Nesterov 2012-01-12 16:38 ` Steven Rostedt 2012-01-12 16:47 ` Oleg Nesterov 2012-01-12 17:08 ` Will Drewry 2012-01-12 17:08 ` Will Drewry 2012-01-12 17:30 ` Jamie Lokier 2012-01-12 17:40 ` Steven Rostedt 2012-01-12 17:44 ` Jamie Lokier 2012-01-12 17:56 ` Steven Rostedt 2012-01-12 23:27 ` Alan Cox 2012-01-12 23:38 ` Linus Torvalds 2012-01-12 22:18 ` Will Drewry 2012-01-12 22:18 ` Will Drewry 2012-01-12 23:00 ` Andrew Lutomirski 2012-01-12 23:00 ` Andrew Lutomirski 2012-01-12 16:14 ` Andrew Lutomirski 2012-01-12 16:14 ` Andrew Lutomirski 2012-01-12 16:27 ` Steven Rostedt 2012-01-12 16:51 ` Andrew Lutomirski 2012-01-12 16:51 ` Andrew Lutomirski 2012-01-12 17:09 ` Linus Torvalds 2012-01-12 17:17 ` Steven Rostedt 2012-01-12 18:18 ` Andrew Lutomirski 2012-01-12 18:32 ` Linus Torvalds 2012-01-12 18:32 ` Linus Torvalds 2012-01-12 18:44 ` Andrew Lutomirski 2012-01-12 19:08 ` Kyle Moffett 2012-01-12 19:08 ` Kyle Moffett 2012-01-12 23:05 ` Eric Paris 2012-01-12 23:33 ` Andrew Lutomirski 2012-01-12 23:33 ` Andrew Lutomirski 2012-01-12 19:40 ` Will Drewry 2012-01-12 19:40 ` Will Drewry 2012-01-12 19:42 ` Will Drewry 2012-01-12 19:42 ` Will Drewry 2012-01-12 19:46 ` Andrew Lutomirski 2012-01-12 19:46 ` Andrew Lutomirski 2012-01-12 20:00 ` Linus Torvalds 2012-01-12 20:00 ` Linus Torvalds 2012-01-12 16:59 ` Will Drewry 2012-01-12 16:59 ` Will Drewry 2012-01-12 17:22 ` Jamie Lokier 2012-01-12 17:22 ` Jamie Lokier 2012-01-12 17:35 ` Will Drewry 2012-01-12 17:57 ` Jamie Lokier 2012-01-12 17:57 ` Jamie Lokier 2012-01-12 18:03 ` Will Drewry 2012-01-12 18:03 ` Will Drewry 2012-01-13 1:34 ` Jamie Lokier 2012-01-13 2:44 ` Indan Zupancic 2012-01-13 6:33 ` Chris Evans 2012-01-13 6:33 ` Chris Evans 2012-01-12 17:36 ` Jamie Lokier 2012-01-12 16:18 ` Alan Cox 2012-01-12 17:03 ` Will Drewry 2012-01-12 17:03 ` Will Drewry 2012-01-12 17:11 ` Alan Cox 2012-01-12 17:52 ` Will Drewry 2012-01-12 17:52 ` Will Drewry 2012-01-13 1:31 ` James Morris 2012-01-12 16:22 ` Oleg Nesterov 2012-01-12 17:10 ` Will Drewry 2012-01-12 17:23 ` Oleg Nesterov 2012-01-12 17:23 ` Oleg Nesterov 2012-01-12 17:51 ` Will Drewry 2012-01-12 17:51 ` Will Drewry 2012-01-13 17:31 ` Oleg Nesterov 2012-01-13 17:31 ` Oleg Nesterov 2012-01-13 19:01 ` Will Drewry 2012-01-13 19:01 ` Will Drewry 2012-01-13 23:10 ` Will Drewry 2012-01-13 23:10 ` Will Drewry 2012-01-13 23:12 ` Will Drewry 2012-01-13 23:12 ` Will Drewry 2012-01-13 23:30 ` Eric Paris 2012-01-15 3:40 ` Indan Zupancic 2012-01-16 1:40 ` Will Drewry 2012-01-16 6:49 ` Indan Zupancic 2012-01-16 20:12 ` Will Drewry 2012-01-17 6:46 ` Indan Zupancic 2012-01-17 17:37 ` Will Drewry 2012-01-18 4:06 ` Indan Zupancic 2012-01-18 4:38 ` Will Drewry 2012-01-17 20:34 ` Kees Cook 2012-01-17 20:42 ` Will Drewry 2012-01-17 21:09 ` Will Drewry 2012-01-18 4:47 ` Indan Zupancic 2012-01-16 18:37 ` Oleg Nesterov 2012-01-16 18:37 ` Oleg Nesterov 2012-01-16 20:15 ` Will Drewry 2012-01-16 20:15 ` Will Drewry 2012-01-17 16:45 ` Oleg Nesterov 2012-01-17 16:56 ` Will Drewry 2012-01-17 16:56 ` Will Drewry 2012-01-17 17:01 ` Andrew Lutomirski 2012-01-17 17:01 ` Andrew Lutomirski 2012-01-17 17:05 ` Oleg Nesterov 2012-01-17 17:45 ` Andrew Lutomirski 2012-01-17 17:45 ` Andrew Lutomirski 2012-01-18 0:56 ` Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF] Indan Zupancic 2012-01-18 1:01 ` Andrew Lutomirski 2012-01-18 1:01 ` Andrew Lutomirski 2012-01-19 1:06 ` Indan Zupancic 2012-01-19 1:06 ` Indan Zupancic 2012-01-19 1:19 ` Andrew Lutomirski 2012-01-19 1:47 ` Indan Zupancic 2012-01-18 1:07 ` Roland McGrath 2012-01-18 1:47 ` Indan Zupancic 2012-01-18 1:48 ` Jamie Lokier 2012-01-18 1:50 ` Andi Kleen 2012-01-18 2:00 ` Steven Rostedt 2012-01-18 2:04 ` Jamie Lokier 2012-01-18 2:22 ` Andi Kleen 2012-01-18 2:22 ` Andi Kleen 2012-01-18 2:25 ` Andrew Lutomirski 2012-01-18 4:22 ` Indan Zupancic 2012-01-18 4:22 ` Indan Zupancic 2012-01-18 5:23 ` Linus Torvalds 2012-01-18 5:23 ` Linus Torvalds 2012-01-18 6:25 ` Linus Torvalds 2012-01-18 6:25 ` Linus Torvalds 2012-01-18 13:12 ` Compat 32-bit syscall entry from 64-bit task!? Indan Zupancic 2012-01-18 13:12 ` Indan Zupancic 2012-01-18 19:31 ` Linus Torvalds 2012-01-18 19:31 ` Linus Torvalds 2012-01-18 19:36 ` Andi Kleen 2012-01-18 19:36 ` Andi Kleen 2012-01-18 19:39 ` Linus Torvalds 2012-01-18 19:39 ` Linus Torvalds 2012-01-18 19:44 ` Andi Kleen 2012-01-18 19:44 ` Andi Kleen 2012-01-18 19:47 ` Linus Torvalds 2012-01-18 19:47 ` Linus Torvalds 2012-01-18 19:52 ` Will Drewry 2012-01-18 19:52 ` Will Drewry 2012-01-18 19:58 ` Will Drewry 2012-01-18 19:58 ` Will Drewry 2012-01-18 19:41 ` Martin Mares 2012-01-18 19:41 ` Martin Mares 2012-01-18 19:38 ` Andrew Lutomirski 2012-01-18 19:38 ` Andrew Lutomirski 2012-01-19 16:01 ` Jamie Lokier 2012-01-19 16:01 ` Jamie Lokier 2012-01-19 16:13 ` Andrew Lutomirski 2012-01-19 16:13 ` Andrew Lutomirski 2012-01-19 19:21 ` Linus Torvalds 2012-01-19 19:21 ` Linus Torvalds 2012-01-19 19:30 ` Andrew Lutomirski 2012-01-19 19:30 ` Andrew Lutomirski 2012-01-19 19:37 ` Linus Torvalds 2012-01-19 19:37 ` Linus Torvalds 2012-01-19 19:41 ` Linus Torvalds 2012-01-19 19:41 ` Linus Torvalds 2012-01-19 23:54 ` Jamie Lokier 2012-01-19 23:54 ` Jamie Lokier 2012-01-20 0:05 ` Linus Torvalds 2012-01-20 0:05 ` Linus Torvalds 2012-01-20 15:35 ` Will Drewry 2012-01-20 15:35 ` Will Drewry 2012-01-20 17:56 ` Roland McGrath 2012-01-20 17:56 ` Roland McGrath 2012-01-20 19:45 ` Will Drewry 2012-01-20 19:45 ` Will Drewry 2012-01-18 20:26 ` Linus Torvalds 2012-01-18 20:26 ` Linus Torvalds 2012-01-18 20:55 ` H. Peter Anvin 2012-01-18 20:55 ` H. Peter Anvin 2012-01-18 21:01 ` Linus Torvalds 2012-01-18 21:01 ` Linus Torvalds 2012-01-18 21:04 ` H. Peter Anvin 2012-01-18 21:04 ` H. Peter Anvin 2012-01-18 21:21 ` H. Peter Anvin 2012-01-18 21:21 ` H. Peter Anvin 2012-01-18 21:51 ` Roland McGrath 2012-01-18 21:51 ` Roland McGrath 2012-01-18 21:53 ` H. Peter Anvin 2012-01-18 21:53 ` H. Peter Anvin 2012-01-18 23:28 ` Linus Torvalds 2012-01-18 23:28 ` Linus Torvalds 2012-01-19 0:38 ` H. Peter Anvin 2012-01-19 0:38 ` H. Peter Anvin 2012-01-20 21:51 ` Denys Vlasenko 2012-01-20 21:51 ` Denys Vlasenko 2012-01-20 22:40 ` Roland McGrath 2012-01-20 22:40 ` Roland McGrath 2012-01-20 22:41 ` H. Peter Anvin 2012-01-20 22:41 ` H. Peter Anvin 2012-01-20 23:49 ` Indan Zupancic 2012-01-20 23:49 ` Indan Zupancic 2012-01-20 23:55 ` Roland McGrath 2012-01-20 23:55 ` Roland McGrath 2012-01-20 23:58 ` hpanvin@gmail.com 2012-01-20 23:58 ` hpanvin@gmail.com 2012-01-23 2:14 ` Indan Zupancic 2012-01-23 2:14 ` Indan Zupancic 2012-01-21 0:07 ` Denys Vlasenko 2012-01-21 0:07 ` Denys Vlasenko 2012-01-21 0:10 ` Roland McGrath 2012-01-21 0:10 ` Roland McGrath 2012-01-21 1:23 ` Jamie Lokier 2012-01-21 1:23 ` Jamie Lokier 2012-01-23 2:37 ` Indan Zupancic 2012-01-23 2:37 ` Indan Zupancic 2012-01-23 16:48 ` Oleg Nesterov 2012-01-23 16:48 ` Oleg Nesterov 2012-01-24 8:19 ` Indan Zupancic 2012-01-24 8:19 ` Indan Zupancic 2012-02-06 20:30 ` H. Peter Anvin 2012-02-06 20:30 ` H. Peter Anvin 2012-02-06 20:39 ` Roland McGrath 2012-02-06 20:39 ` Roland McGrath 2012-02-06 20:42 ` H. Peter Anvin 2012-02-06 20:42 ` H. Peter Anvin 2012-01-18 21:26 ` Linus Torvalds 2012-01-18 21:26 ` Linus Torvalds 2012-01-18 21:30 ` H. Peter Anvin 2012-01-18 21:30 ` H. Peter Anvin 2012-01-18 21:42 ` Linus Torvalds 2012-01-18 21:42 ` Linus Torvalds 2012-01-18 21:47 ` H. Peter Anvin 2012-01-18 21:47 ` H. Peter Anvin 2012-01-19 1:45 ` Indan Zupancic 2012-01-19 1:45 ` Indan Zupancic 2012-01-19 2:16 ` H. Peter Anvin 2012-01-19 2:16 ` H. Peter Anvin 2012-02-06 8:32 ` Indan Zupancic 2012-02-06 8:32 ` Indan Zupancic 2012-02-06 17:02 ` H. Peter Anvin 2012-02-06 17:02 ` H. Peter Anvin 2012-02-07 1:52 ` Indan Zupancic 2012-02-07 1:52 ` Indan Zupancic 2012-02-09 0:19 ` H. Peter Anvin 2012-02-09 0:19 ` H. Peter Anvin 2012-02-09 4:20 ` Indan Zupancic 2012-02-09 4:20 ` Indan Zupancic 2012-02-09 4:29 ` H. Peter Anvin 2012-02-09 4:29 ` H. Peter Anvin 2012-02-09 6:03 ` Indan Zupancic 2012-02-09 6:03 ` Indan Zupancic 2012-02-09 14:47 ` H. Peter Anvin 2012-02-09 14:47 ` H. Peter Anvin 2012-02-09 16:00 ` H.J. Lu 2012-02-09 16:00 ` H.J. Lu 2012-02-10 1:09 ` Indan Zupancic 2012-02-10 1:09 ` Indan Zupancic 2012-02-10 1:15 ` H. Peter Anvin 2012-02-10 1:15 ` H. Peter Anvin 2012-02-10 2:29 ` Indan Zupancic 2012-02-10 2:29 ` Indan Zupancic 2012-02-10 2:47 ` H. Peter Anvin 2012-02-10 2:47 ` H. Peter Anvin [not found] ` <cc95fcf4b1c28ee6f73e373d04593634.squirrel@webmail.greenhost.nl> 2012-02-10 15:53 ` H. Peter Anvin 2012-02-10 15:53 ` H. Peter Anvin 2012-02-10 22:42 ` Indan Zupancic 2012-02-10 22:42 ` Indan Zupancic 2012-02-10 22:56 ` H. Peter Anvin 2012-02-10 22:56 ` H. Peter Anvin 2012-02-12 12:07 ` Indan Zupancic 2012-02-12 12:07 ` Indan Zupancic 2012-01-25 19:36 ` Oleg Nesterov 2012-01-25 19:36 ` Oleg Nesterov 2012-01-25 20:20 ` Pedro Alves 2012-01-25 20:20 ` Pedro Alves 2012-01-25 23:36 ` Denys Vlasenko 2012-01-25 23:36 ` Denys Vlasenko 2012-01-25 23:32 ` Denys Vlasenko 2012-01-25 23:32 ` Denys Vlasenko 2012-01-26 0:40 ` Indan Zupancic 2012-01-26 0:40 ` Indan Zupancic 2012-01-26 1:08 ` Jamie Lokier 2012-01-26 1:08 ` Jamie Lokier 2012-01-26 1:22 ` Denys Vlasenko 2012-01-26 1:22 ` Denys Vlasenko 2012-01-26 6:34 ` Indan Zupancic 2012-01-26 6:34 ` Indan Zupancic 2012-01-26 10:31 ` Jamie Lokier 2012-01-26 10:31 ` Jamie Lokier 2012-01-26 10:40 ` Denys Vlasenko 2012-01-26 10:40 ` Denys Vlasenko 2012-01-26 11:01 ` Jamie Lokier 2012-01-26 11:01 ` Jamie Lokier 2012-01-26 14:02 ` Denys Vlasenko 2012-01-26 14:02 ` Denys Vlasenko 2012-01-26 11:19 ` Indan Zupancic 2012-01-26 11:19 ` Indan Zupancic 2012-01-26 11:20 ` Indan Zupancic 2012-01-26 11:20 ` Indan Zupancic 2012-01-26 11:47 ` Jamie Lokier 2012-01-26 11:47 ` Jamie Lokier 2012-01-26 14:05 ` Denys Vlasenko 2012-01-26 14:05 ` Denys Vlasenko 2012-01-27 7:23 ` Indan Zupancic 2012-01-27 7:23 ` Indan Zupancic 2012-02-10 2:02 ` Jamie Lokier 2012-02-10 2:02 ` Jamie Lokier 2012-02-10 3:37 ` Indan Zupancic 2012-02-10 3:37 ` Indan Zupancic 2012-02-10 21:19 ` Denys Vlasenko 2012-02-10 21:19 ` Denys Vlasenko 2012-01-26 1:09 ` Denys Vlasenko 2012-01-26 1:09 ` Denys Vlasenko 2012-01-26 3:47 ` Linus Torvalds 2012-01-26 3:47 ` Linus Torvalds 2012-01-26 18:03 ` Denys Vlasenko 2012-01-26 18:03 ` Denys Vlasenko 2017-03-08 23:41 ` Dmitry V. Levin 2017-03-08 23:41 ` Dmitry V. Levin 2017-03-09 4:39 ` Andrew Lutomirski 2017-03-09 4:39 ` Andrew Lutomirski 2017-03-14 2:57 ` Dmitry V. Levin 2017-03-14 2:57 ` Dmitry V. Levin 2012-01-26 5:57 ` Indan Zupancic 2012-01-26 5:57 ` Indan Zupancic 2012-01-26 0:59 ` Jamie Lokier 2012-01-26 0:59 ` Jamie Lokier 2012-01-26 1:21 ` Denys Vlasenko 2012-01-26 1:21 ` Denys Vlasenko 2012-01-26 8:23 ` Pedro Alves 2012-01-26 8:23 ` Pedro Alves 2012-01-26 8:53 ` Denys Vlasenko 2012-01-26 8:53 ` Denys Vlasenko 2012-01-26 9:51 ` Pedro Alves 2012-01-26 9:51 ` Pedro Alves 2012-01-26 18:44 ` Oleg Nesterov 2012-01-26 18:44 ` Oleg Nesterov 2012-02-10 2:51 ` Jamie Lokier 2012-02-10 2:51 ` Jamie Lokier 2012-01-18 15:04 ` Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF] Eric Paris 2012-01-18 15:04 ` Eric Paris 2012-01-18 17:51 ` Linus Torvalds 2012-01-18 17:51 ` Linus Torvalds 2012-01-18 5:43 ` Chris Evans 2012-01-18 5:43 ` Chris Evans 2012-01-18 12:12 ` Indan Zupancic 2012-01-18 12:12 ` Indan Zupancic 2012-01-18 21:13 ` Chris Evans 2012-01-18 21:13 ` Chris Evans 2012-01-19 0:14 ` Indan Zupancic [this message] 2012-01-19 0:14 ` Indan Zupancic 2012-01-19 8:16 ` Chris Evans 2012-01-19 8:16 ` Chris Evans 2012-01-19 11:34 ` Indan Zupancic 2012-01-19 11:34 ` Indan Zupancic 2012-01-19 16:11 ` Jamie Lokier 2012-01-19 16:11 ` Jamie Lokier 2012-01-19 15:40 ` Jamie Lokier 2012-01-19 15:40 ` Jamie Lokier 2012-01-18 17:00 ` Oleg Nesterov 2012-01-18 17:00 ` Oleg Nesterov 2012-01-18 17:12 ` Oleg Nesterov 2012-01-18 17:12 ` Oleg Nesterov 2012-01-18 21:09 ` Chris Evans 2012-01-18 21:09 ` Chris Evans 2012-01-23 16:56 ` Oleg Nesterov 2012-01-23 16:56 ` Oleg Nesterov 2012-01-23 22:23 ` Chris Evans 2012-01-23 22:23 ` Chris Evans 2012-02-07 11:45 ` Indan Zupancic 2012-02-07 11:45 ` Indan Zupancic 2012-01-19 0:29 ` Indan Zupancic 2012-01-19 0:29 ` Indan Zupancic 2012-01-18 2:27 ` Linus Torvalds 2012-01-18 2:27 ` Linus Torvalds 2012-01-18 2:31 ` Andi Kleen 2012-01-18 2:31 ` Andi Kleen 2012-01-18 2:46 ` Linus Torvalds 2012-01-18 2:46 ` Linus Torvalds 2012-01-18 14:06 ` Martin Mares 2012-01-18 14:06 ` Martin Mares 2012-01-18 18:24 ` Andi Kleen 2012-01-18 18:24 ` Andi Kleen 2012-01-19 16:04 ` Jamie Lokier 2012-01-19 16:04 ` Jamie Lokier 2012-01-20 0:21 ` Indan Zupancic 2012-01-20 0:21 ` Indan Zupancic 2012-01-20 0:53 ` Linus Torvalds 2012-01-20 0:53 ` Linus Torvalds 2012-01-20 2:02 ` Indan Zupancic 2012-01-20 2:02 ` Indan Zupancic 2012-01-17 17:06 ` [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF Will Drewry 2012-01-17 17:06 ` Will Drewry 2012-01-17 19:35 ` Will Drewry 2012-01-17 19:35 ` Will Drewry 2012-01-12 17:02 ` Andrew Lutomirski 2012-01-12 17:02 ` Andrew Lutomirski 2012-01-16 20:28 ` Will Drewry 2012-01-16 20:28 ` Will Drewry 2012-01-11 17:25 ` [RFC,PATCH 2/2] Documentation: prctl/seccomp_filter Will Drewry 2012-01-11 20:03 ` Jonathan Corbet 2012-01-11 20:10 ` Will Drewry 2012-01-11 20:10 ` Will Drewry 2012-01-11 23:19 ` [PATCH v2 " Will Drewry 2012-01-12 0:29 ` Will Drewry 2012-01-12 0:29 ` Will Drewry 2012-01-12 18:16 ` Randy Dunlap 2012-01-12 17:23 ` Will Drewry 2012-01-12 17:34 ` Steven Rostedt 2012-01-12 13:13 ` [RFC,PATCH " Łukasz Sowa 2012-01-12 17:25 ` Will Drewry 2012-01-12 17:25 ` Will Drewry
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