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8058575: IllegalAccessError trying to access package-private class from VM anonymous class

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Put anonymous classes in unnamed package into host class's package.  Throw exception if host class's package differs from anonymous class.

Reviewed-by: coleenp, acorn
This commit is contained in:
Harold Seigel 2016-09-07 07:19:48 -04:00
parent c271d83599
commit e8e6415b7a
14 changed files with 416 additions and 31 deletions
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14
hotspot/src/share/vm/oops/instanceKlass.hpp
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@ -619,8 +619,8 @@ class InstanceKlass: public Klass {
objArrayOop signers() const;
// host class
Klass* host_klass() const {
Klass** hk = (Klass**)adr_host_klass();
InstanceKlass* host_klass() const {
InstanceKlass** hk = adr_host_klass();
if (hk == NULL) {
return NULL;
} else {
@ -628,9 +628,9 @@ class InstanceKlass: public Klass {
return *hk;
}
}
void set_host_klass(const Klass* host) {
void set_host_klass(const InstanceKlass* host) {
assert(is_anonymous(), "not anonymous");
const Klass** addr = (const Klass**)adr_host_klass();
const InstanceKlass** addr = (const InstanceKlass **)adr_host_klass();
assert(addr != NULL, "no reversed space");
if (addr != NULL) {
*addr = host;
@ -1057,13 +1057,13 @@ public:
}
};
Klass** adr_host_klass() const {
InstanceKlass** adr_host_klass() const {
if (is_anonymous()) {
Klass** adr_impl = adr_implementor();
InstanceKlass** adr_impl = (InstanceKlass **)adr_implementor();
if (adr_impl != NULL) {
return adr_impl + 1;
} else {
return end_of_nonstatic_oop_maps();
return (InstanceKlass **)end_of_nonstatic_oop_maps();
}
} else {
return NULL;