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.
> 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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