Messages in this thread | | | Date | Wed, 16 Feb 2022 15:48:57 -0500 | Subject | Re: [PATCH v10 06/27] ima: Move arch_policy_entry into ima_namespace | From | Stefan Berger <> |
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On 2/16/22 11:39, Mimi Zohar wrote: > On Tue, 2022-02-01 at 15:37 -0500, Stefan Berger wrote > > Let's update the patch description providing a bit more background > info: > > The archictecture specific policy rules, currently defined for EFI and > powerpc, require the kexec kernel image and kernel modules to be > validly signed and measured, based on the system's secure boot and/or > trusted boot mode and the IMA_ARCH_POLICY Kconfig option being enabled. > >> Move the arch_policy_entry pointer into ima_namespace. > Perhaps include something about namespaces being allowed or not allowed > to kexec a new kernel or load kernel modules.
Namespaces are not allowed to kexec but special-casing the init_ima_ns in the code to handle namespaces differently makes it much harder to read the code. I would avoid special-casing init_ima_ns as much as possible and therefore I have moved the arch_policy_entry into the ima_namespace.
Stefan
> thanks, > > Mimi >> When freeing the memory set the pointer to NULL. >> >> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> >> Acked-by: Christian Brauner <brauner@kernel.org> >> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
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