[Xen-devel] [PATCH] arm64: xen_boot: Fix xen boot using Grub on AARCH64

[Julien Grall <julien.grall@xxxxxxxxxx>]

Xen is currently crashing because of malformed compatible property for
the boot module. This is because the property string is not
null-terminated as requested by the ePAR spec.
---
 grub-core/loader/arm64/xen_boot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grub-core/loader/arm64/xen_boot.c 
b/grub-core/loader/arm64/xen_boot.c
index a914eb8..8ae43d7 100644
--- a/grub-core/loader/arm64/xen_boot.c
+++ b/grub-core/loader/arm64/xen_boot.c
@@ -156,7 +156,7 @@ prepare_xen_module_params (struct xen_boot_binary *module, 
void *xen_boot_fdt)
       grub_fdt_add_subnode (xen_boot_fdt, chosen_node, module_name);
 
   retval = grub_fdt_set_prop (xen_boot_fdt, module_node, "compatible",
-                             MODULE_CUSTOM_COMPATIBLE, 
sizeof(MODULE_CUSTOM_COMPATIBLE) - 1);
+                             MODULE_CUSTOM_COMPATIBLE, 
sizeof(MODULE_CUSTOM_COMPATIBLE));
   if (retval)
     return grub_error (GRUB_ERR_IO, "failed to update FDT");
 
-- 
1.9.1


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