Fix the type of pte_pa as when it is passed into _kvm_pa2off it is either

a uint64_t or a pointer to an off_t. With it being a u_long can result in
incorrect values being returned.
This commit is contained in:
Andrew Turner 2014-10-16 13:49:54 +00:00
parent 8f889ce7c8
commit 89184254a4

View File

@ -212,7 +212,7 @@ _kvm_kvatop(kvm_t *kd, u_long va, off_t *pa)
struct vmstate *vm = kd->vmst;
pd_entry_t pd;
pt_entry_t pte;
u_long pte_pa;
off_t pte_pa;
if (kd->vmst->minidump)
return (_kvm_minidump_kvatop(kd, va, pa));
@ -228,7 +228,7 @@ _kvm_kvatop(kvm_t *kd, u_long va, off_t *pa)
return (_kvm_pa2off(kd, *pa, pa, L1_S_SIZE));
}
pte_pa = (pd & L1_ADDR_MASK) + l2pte_index(va) * sizeof(pte);
_kvm_pa2off(kd, pte_pa, (off_t *)&pte_pa, L1_S_SIZE);
_kvm_pa2off(kd, pte_pa, &pte_pa, L1_S_SIZE);
if (lseek(kd->pmfd, pte_pa, 0) == -1) {
_kvm_syserr(kd, kd->program, "_kvm_kvatop: lseek");
goto invalid;