On Wed, 22 Jul 2020 13:51:19 +0200
Thomas Lamprecht <t.lampre...@proxmox.com> wrote:
> On 22.07.20 13:05, Stoiko Ivanov wrote:
> > commit 863845075d3f77d27c91bd9f47d2f8ddc4867bd5 in upstream only partially
> > fixes the apparmor deny for mounting boot_id (used for example for
> > identifying
> > different boots with `journalctl`) inside the container.
> >
> > Tested by editing the profile and replacing it disregarding the cache:
> > `apparmor_parser -W -T -r /etc/apparmor.d/usr.bin.lxc-start`
> >
>
> was this proposed to upstream as pull request? Did not found it on the
> LXC GitHub page.
sorry my phrasing in the cover-letter was misleading: I want to make a
pull request upstream for this patch, after somebody else sanity-checks it
-> if it looks ok to you - I'll open the PR.
>
> > Signed-off-by: Stoiko Ivanov <s.iva...@proxmox.com>
> > ---
> > ...apparmor-Allow-ro-remount-of-boot_id.patch | 26 +++++++++++++++++++
> > debian/patches/series | 1 +
> > 2 files changed, 27 insertions(+)
> > create mode 100644
> > debian/patches/pve/0004-apparmor-Allow-ro-remount-of-boot_id.patch
> >
> > diff --git
> > a/debian/patches/pve/0004-apparmor-Allow-ro-remount-of-boot_id.patch
> > b/debian/patches/pve/0004-apparmor-Allow-ro-remount-of-boot_id.patch
> > new file mode 100644
> > index 0000000..fefc586
> > --- /dev/null
> > +++ b/debian/patches/pve/0004-apparmor-Allow-ro-remount-of-boot_id.patch
> > @@ -0,0 +1,26 @@
> > +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
> > +From: Stoiko Ivanov <s.iva...@proxmox.com>
> > +Date: Wed, 22 Jul 2020 12:17:24 +0200
> > +Subject: [PATCH lxc] apparmor: Allow ro remount of boot_id
> > +
> > +The rule added in 863845075d3f77d27c91bd9f47d2f8ddc4867bd5 did not cover
> > all
> > +necessary mount calls for /proc/sys/kernel/random/boot_id
> > +(in src/lxc/conf.c: lxc_setup_boot_id) - the ro remount is missing.
> > +
> > +Signed-off-by: Stoiko Ivanov <s.iva...@proxmox.com>
> > +---
> > + config/apparmor/abstractions/start-container.in | 1 +
> > + 1 file changed, 1 insertion(+)
> > +
> > +diff --git a/config/apparmor/abstractions/start-container.in
> > b/config/apparmor/abstractions/start-container.in
> > +index 9998f1121..9f64c2727 100644
> > +--- a/config/apparmor/abstractions/start-container.in
> > ++++ b/config/apparmor/abstractions/start-container.in
> > +@@ -22,6 +22,7 @@
> > + mount -> /var/lib/lxc/{**,},
> > +
> > + mount /dev/.lxc-boot-id -> /proc/sys/kernel/random/boot_id,
> > ++ mount options=(ro, nosuid, nodev, noexec, remount, bind) ->
> > /proc/sys/kernel/random/boot_id,
> > +
> > + # required for some pre-mount hooks
> > + mount fstype=overlayfs,
> > diff --git a/debian/patches/series b/debian/patches/series
> > index ee20ef5..f588081 100644
> > --- a/debian/patches/series
> > +++ b/debian/patches/series
> > @@ -1,3 +1,4 @@
> > pve/0001-PVE-Config-lxc.service-start-after-a-potential-syslo.patch
> > pve/0002-PVE-Config-deny-rw-mounting-of-sys-and-proc.patch
> > pve/0003-PVE-Config-attach-always-use-getent.patch
> > +pve/0004-apparmor-Allow-ro-remount-of-boot_id.patch
> >
>
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