Re: Kexec_file_load failed with "Missing required AuthAttr"

From: Dave Young
Date: Fri Jan 15 2016 - 03:13:10 EST


Ccing Peter Jones for pesign possible issues.

On 01/07/16 at 01:25pm, Dave Young wrote:
> Hi,
>
> I saw the warning "Missing required AuthAttr" when testing kexec, known issue?
> Idea about how to fix it?
>
> The kernel is latest linus tree plus sevral patches from Toshi to cleanup io resource structure.
>
> in function pkcs7_sig_note_set_of_authattrs():
> if (!test_bit(sinfo_has_content_type, &sinfo->aa_set) ||
> !test_bit(sinfo_has_message_digest, &sinfo->aa_set) ||
> (ctx->msg->data_type == OID_msIndirectData &&
> !test_bit(sinfo_has_ms_opus_info, &sinfo->aa_set))) {
> pr_warn("Missing required AuthAttr\n");
> return -EBADMSG;
> }
>
> The third condition below is true:
> (ctx->msg->data_type == OID_msIndirectData &&
> !test_bit(sinfo_has_ms_opus_info, &sinfo->aa_set))
>
> I signed the kernel with redhat test key like below:
> pesign -c 'Red Hat Test Certificate' -i arch/x86/boot/bzImage -o /boot/vmlinuz-4.4.0-rc8+ -s --force
>
> Thanks
> Dave