# HG changeset patch
# User tristan.gingold@xxxxxxxx
# Node ID ff27768347b0da921d28476013ead1123d6db914
# Parent  ef77d9331c6790e90d9bfb544fce0d8aa07df04d
vmx_vcpu_set_rr: check wether rid is valid.

Signed-off-by: Tristan Gingold <tristan.gingold@xxxxxxxx>

diff -r ef77d9331c67 -r ff27768347b0 xen/arch/ia64/vmx/vmx_vcpu.c
--- a/xen/arch/ia64/vmx/vmx_vcpu.c	Fri Apr 14 08:14:02 2006
+++ b/xen/arch/ia64/vmx/vmx_vcpu.c	Fri Apr 14 08:43:39 2006
@@ -210,8 +210,11 @@
     ia64_rr oldrr,newrr;
     thash_cb_t *hcb;
     extern void * pal_vaddr;
+
     vcpu_get_rr(vcpu, reg, &oldrr.rrval);
     newrr.rrval=val;
+    if (newrr.rid >= (1 << vcpu->domain->arch.rid_bits))
+        panic_domain (NULL, "use of invalid rid %lx\n", newrr.rid);
     if(oldrr.ps!=newrr.ps){
         hcb = vmx_vcpu_get_vtlb(vcpu);
         thash_purge_all(hcb);