Commit c732084c authored by Kees Cook's avatar Kees Cook
Browse files

KVM: arm64: vgic: Handle const qualifier from gic_kvm_info allocation type 

In preparation for making the kmalloc family of allocators type aware,
we need to make sure that the returned type from the allocation matches
the type of the variable being assigned. (Before, the allocator would
always return "void *", which can be implicitly cast to any pointer type.)

The assigned type is "struct gic_kvm_info", but the returned type,
while matching, is const qualified. To get them exactly matching, just
use the dereferenced pointer for the sizeof().

Link: https://patch.msgid.link/20260206223022.it.052-kees@kernel.org


Signed-off-by: default avatarKees Cook <kees@kernel.org>
parent 48634a9e

arch/arm64/kvm/vgic/vgic-init.c

+1 −1
Original line number Diff line number Diff line
@@ -654,7 +654,7 @@ static struct gic_kvm_info *gic_kvm_info; 
void __init vgic_set_kvm_info(const struct gic_kvm_info *info)

{

	BUG_ON(gic_kvm_info != NULL);

	gic_kvm_info = kmalloc(sizeof(*info), GFP_KERNEL);

	gic_kvm_info = kmalloc(sizeof(*gic_kvm_info), GFP_KERNEL);

	if (gic_kvm_info)

		*gic_kvm_info = *info;

}