Hi Coiby,
On Thu, 2022-05-12 at 15:01 +0800, Coiby Xu wrote:
> commit 278311e417be ("kexec, KEYS: Make use of platform keyring for
> signature verify") adds platform keyring support on x86 kexec but not
> arm64.
>
> The code in bzImage64_verify_sig makes use of system keyrings including
> .buitin_trusted_keys, .secondary_trusted_keys and .platform keyring to
> verify signed kernel image as PE file. Make it generic so both x86_64
> and arm64 can use it.
^uses the keys on the .builtin_trusted_keys, .machine, if configured
and enabled, .secondary_trusted_keys, also if configured, and .platform
keyrings to verify the signed kernel image as PE file.
>
> @@ -202,6 +203,12 @@ int arch_kexec_apply_relocations(struct purgatory_info *pi,
> const Elf_Shdr *relsec,
> const Elf_Shdr *symtab);
> int arch_kimage_file_post_load_cleanup(struct kimage *image);
> +#ifdef CONFIG_KEXEC_SIG
> +#ifdef CONFIG_SIGNED_PE_FILE_VERIFICATION
> +int kexec_kernel_verify_pe_sig(const char *kernel,
> + unsigned long kernel_len);
Please join this line with the previous one.
> +#endif
> +#endif
> int arch_kexec_locate_mem_hole(struct kexec_buf *kbuf);
>
> extern int kexec_add_buffer(struct kexec_buf *kbuf);
thanks,
Mimi
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