Re: selinux_init() is not executed in booting in kernel 5.15

[Ondrej Mosnacek]

On Sat, Aug 5, 2023 at 2:53 AM Henry Zhang  wrote:
> Hi guys,
>
> I am porting selinux from kernel 4.14 to 5.15. Everything works fine in kernel 4.14.
> keep same /etc/selinux/conf and kernel parameters to enable SELinux.
>
> But the selinux_init() is not executed when kernel 5.15 boots because no "SELinux: Initializing" is seen in dmesg.
>
> This selinux_init() is defined in http://tomoyo.osdn.jp/cgi-bin/lxr/source/security/selinux/hooks.c
>
> DEFINE_LSM(selinux) = {
> 7288         .name = "selinux",
> 7289         .flags = LSM_FLAG_LEGACY_MAJOR | LSM_FLAG_EXCLUSIVE,
> 7290         .enabled = &selinux_enabled_boot,
> 7291         .blobs = &selinux_blob_sizes,
> 7292         .init = selinux_init,
> 7293 };
>
> My question is why the selinux_init() is not called when kernel 5.15 boots up?

Hi Henry,

Can you share your kernel build config? If you don't know what it is
or how to get it, then the next question would be: How did you
obtain/build the kernel in question?