Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1252164

Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters

From Tycho Andersen <tycho.andersen@canonical.com>
Newsgroups linux.kernel
Subject Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters
Date 2015-10-21 00:10 +0200
Message-ID <qlNgw-8sZ-39@gated-at.bofh.it> (permalink)
References <qlLeG-5i7-21@gated-at.bofh.it> <qlLeG-5i7-19@gated-at.bofh.it> <qlLHI-65j-19@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

Hi Kees, Oleg,

On Tue, Oct 20, 2015 at 10:20:24PM +0200, Oleg Nesterov wrote:
>
> No, you can't do copy_to_user() from atomic context. You need to pin this
> filter, drop the lock/irq, then copy_to_user().

Attached is a patch which addresses this.

Tycho

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

v8 of seccomp filter c/r Tycho Andersen <tycho.andersen@canonical.com> - 2015-10-20 22:00 +0200
  [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters Tycho Andersen <tycho.andersen@canonical.com> - 2015-10-20 22:00 +0200
    Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters Kees Cook <keescook@chromium.org> - 2015-10-20 22:30 +0200
      Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Tycho Andersen <tycho.andersen@canonical.com> - 2015-10-20 22:40 +0200
    Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Oleg Nesterov <oleg@redhat.com> - 2015-10-20 22:30 +0200
      Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Tycho Andersen <tycho.andersen@canonical.com> - 2015-10-21 00:10 +0200
        Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Oleg Nesterov <oleg@redhat.com> - 2015-10-21 21:00 +0200
          Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Tycho Andersen <tycho.andersen@canonical.com> - 2015-10-21 21:20 +0200
            Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters Kees Cook <keescook@chromium.org> - 2015-10-21 22:20 +0200
              Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters Daniel Borkmann <daniel@iogearbox.net> - 2015-10-21 22:20 +0200
                Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Tycho Andersen <tycho.andersen@canonical.com> - 2015-10-21 22:40 +0200
            Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Oleg Nesterov <oleg@redhat.com> - 2015-10-21 23:20 +0200
              Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters Kees Cook <keescook@chromium.org> - 2015-10-21 23:30 +0200
              Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Tycho Andersen <tycho.andersen@canonical.com> - 2015-10-21 23:40 +0200
                Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Oleg Nesterov <oleg@redhat.com> - 2015-10-25 15:50 +0100
                Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters Kees Cook <keescook@chromium.org> - 2015-10-26 07:50 +0100
                Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters Kees Cook <keescook@chromium.org> - 2015-10-26 08:10 +0100
                Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp  filters Tycho Andersen <tycho.andersen@canonical.com> - 2015-10-27 01:10 +0100
                Re: [PATCH v8] seccomp, ptrace: add support for dumping seccomp filters Daniel Borkmann <daniel@iogearbox.net> - 2015-10-27 01:20 +0100

csiph-web