On Tue, Jan 16, 2018 at 04:31:51PM +, David Howells wrote:
> I think that your code isn't quite right. Looking at the patched code:
>
> #ifdef CONFIG_KEXEC_SIG
> sig_err = arch_kexec_kernel_verify_sig(image, image->kernel_buf,
>
I think that your code isn't quite right. Looking at the patched code:
#ifdef CONFIG_KEXEC_SIG
sig_err = arch_kexec_kernel_verify_sig(image, image->kernel_buf,
image->kernel_buf_len);
if (sig_err)
pr_debug("kernel
Currently the arm/arm64 runtime code registers the runtime servies
pagetables with ptdump regardless of whether runtime services page
tables have been created.
As efi_mm.pgd is NULL in these cases, attempting to dump the efi page
tables results in a NULL pointer dereference in the ptdump code:
