Ard Biesheuvel ff80ef5bf5
efi/libstub: arm64: Warn when efi_random_alloc() fails ...
Randomization of the physical load address of the kernel image relies on
efi_random_alloc() returning successfully, and currently, we ignore any
failures and just carry on, using the ordinary, non-randomized page
allocator routine. This means we never find out if a failure occurs,
which could harm security, so let's at least warn about this condition.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org >
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org >
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