Public bug reported:
Version: 2.12-5ubuntu5
I am using vendor U-Boot to load
/usr/lib/grub/riscv64-efi/monolithic/grubriscv64.efi as payload.
My kernel has the following sections:
Section[0]: .text
Virtual size: 0xfff000
Virtual address: 0x1000
Size of raw data: 0xfff000
Pointer to raw data: 0x1000
End of raw data: 0x1000000
Characteristics: 0x60000020
* The section contains executable code.
* The section can be executed as code.
* The section can be read.
Section[1]: .data
Virtual size: 0x146e000
Virtual address: 0x1000000
Size of raw data: 0x12df000
Pointer to raw data: 0x1000000
End of raw data: 0x22df000
Characteristics: 0xc0000040
* The section contains initialized data.
* The section can be read.
* The section can be written to.
So there is no section that is both executable and writable. But GRUB
produces this error:
Loading Linux 6.6.21-4-premier ...
loader/efi/linux.c:102:linux: UEFI stub kernel:
loader/efi/linux.c:103:linux: PE/COFF header @ 00000040
loader/efi/linux.c:132:linux: LoadFile2 initrd loading enabled
loader/efi/linux.c:501:linux: kernel file size: 36564992
loader/efi/linux.c:503:linux: kernel numpages: 8927
loader/efi/linux.c:520:linux: kernel @ 0x47b865000
Loading initial ramdisk ...
loader/efi/linux.c:420:linux: Using LoadFile2 initrd loading protocol
Loading device tree blob...
loader/efi/fdt.c:209:fdt: Device-tree /boot/dtb-6.6.21-4-premier loaded
loader/efi/fdt.c:62:linux: EFI_DT_FIXUP_PROTOCOL available
loader/efi/fdt.c:80:linux: Device tree fixed up via EFI_DT_FIXUP_PROTOCOL
loader/efi/fdt.c:147:fdt: Installed/updated FDT configuration table @
0x47dbe6a40
loader/efi/peimage.c:210:peimage: NX policy violation
error: cannot load image.
As of v6.11 Linux does not set the IMAGE_DLLCHARACTERISTICS_NX_COMPAT
flag in arch/riscv/kernel/efi-header.S (DLL Characteristics = 0x0000).
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2083154
Title:
loader/efi/peimage.c:210:peimage: NX policy violation
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