Patch "x86/boot/64: Verify alignment of the LOAD segment" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

x86/boot/64: Verify alignment of the LOAD segment

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
x86-boot-64-verify-alignment-of-the-load-segment.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: "H.J. Lu" <[email protected]>
Date: Mon, 19 Mar 2018 14:08:11 -0700
Subject: x86/boot/64: Verify alignment of the LOAD segment

From: H.J. Lu <[email protected]>

commit c55b8550fa57ba4f5e507be406ff9fc2845713e8 upstream.

Since the x86-64 kernel must be aligned to 2MB, refuse to boot the kernel if the alignment of the LOAD segment isn't a multiple of 2MB.

---
 arch/x86/boot/compressed/misc.c |    4 ++++
 1 file changed, 4 insertions(+)

@@ -366,6 +366,10 @@ static void parse_elf(void *output)
 
 		switch (phdr->p_type) {
 		case PT_LOAD:
+#ifdef CONFIG_X86_64
+			if ((phdr->p_align % 0x200000) != 0)
+				error("Alignment of LOAD segment isn't multiple of 2MB");
+#endif
 #ifdef CONFIG_RELOCATABLE
 			dest = output;
 			dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR);

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/x86-boot-64-verify-alignment-of-the-load-segment.patch queue-4.4/x86-build-64-force-the-linker-to-use-2mb-page-size.patch