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fix sendfwd with send and method_missing

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combination with `send` method (optimized) or `method_missing`
and forwarding send (`...`) needs to respect given
`rb_forwarding_call_data`. Otherwize it causes critical error
such as SEGV.
This commit is contained in:
Koichi Sasada 2024-06-20 23:56:03 +09:00
parent f5fd87b695
commit b182f2a045
2 changed files with 65 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

38
bootstraptest/test_method.rb
View file

@ -1315,14 +1315,32 @@ assert_equal 'ok', %q{
}
assert_equal 'ok', %q{
def foo(a, b) = a + b
def bar(...) = foo(...)
bar(1, 2)
bar(1, 2)
begin
bar(1, 2, 3)
"ng"
rescue ArgumentError
"ok"
end
def foo(a, b) = a + b
def bar(...) = foo(...)
bar(1, 2)
bar(1, 2)
begin
bar(1, 2, 3)
"ng"
rescue ArgumentError
"ok"
end
}
assert_equal 'ok', %q{
class C
def foo(...) = :ok
def bar(...) = __send__(:foo, ...)
end
C.new.bar
}
assert_equal 'ok', %q{
class C
def method_missing(...) = :ok
def foo(...) = xyzzy(...)
end
C.new.foo
}

43
vm_insnhelper.c
View file

@ -3069,6 +3069,9 @@ vm_callee_setup_arg(rb_execution_context_t *ec, struct rb_calling_info *calling,
const struct rb_callinfo *ci = calling->cd->ci;
const struct rb_callcache *cc = calling->cc;
VM_ASSERT((vm_ci_argc(ci), 1));
VM_ASSERT(vm_cc_cme(cc) != NULL);
if (UNLIKELY(!ISEQ_BODY(iseq)->param.flags.use_block &&
calling->block_handler != VM_BLOCK_HANDLER_NONE &&
!(vm_ci_flag(calling->cd->ci) & VM_CALL_SUPER))) {
@ -4235,10 +4238,23 @@ vm_call_symbol(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp,
}
}
calling->cd = &(struct rb_call_data) {
.ci = &VM_CI_ON_STACK(mid, flags, argc, vm_ci_kwarg(ci)),
.cc = NULL,
struct rb_forwarding_call_data new_fcd = {
.cd = {
.ci = &VM_CI_ON_STACK(mid, flags, argc, vm_ci_kwarg(ci)),
.cc = NULL,
},
.caller_ci = NULL,
};
if (!(vm_ci_flag(ci) & VM_CALL_FORWARDING)) {
calling->cd = &new_fcd.cd;
}
else {
const struct rb_callinfo *caller_ci = ((struct rb_forwarding_call_data *)calling->cd)->caller_ci;
VM_ASSERT((vm_ci_argc(caller_ci), 1));
new_fcd.caller_ci = caller_ci;
calling->cd = (struct rb_call_data *)&new_fcd;
}
calling->cc = &VM_CC_ON_STACK(klass,
vm_call_general,
{ .method_missing_reason = missing_reason },
@ -4381,10 +4397,25 @@ vm_call_method_missing_body(rb_execution_context_t *ec, rb_control_frame_t *reg_
INC_SP(1);
ec->method_missing_reason = reason;
calling->cd = &(struct rb_call_data) {
.ci = &VM_CI_ON_STACK(idMethodMissing, flag, argc, vm_ci_kwarg(orig_ci)),
.cc = NULL,
struct rb_forwarding_call_data new_fcd = {
.cd = {
.ci = &VM_CI_ON_STACK(idMethodMissing, flag, argc, vm_ci_kwarg(orig_ci)),
.cc = NULL,
},
.caller_ci = NULL,
};
if (!(flag & VM_CALL_FORWARDING)) {
calling->cd = &new_fcd.cd;
}
else {
const struct rb_callinfo *caller_ci = ((struct rb_forwarding_call_data *)calling->cd)->caller_ci;
VM_ASSERT((vm_ci_argc(caller_ci), 1));
new_fcd.caller_ci = caller_ci;
calling->cd = (struct rb_call_data *)&new_fcd;
}
calling->cc = &VM_CC_ON_STACK(Qundef, vm_call_general, {{ 0 }},
rb_callable_method_entry_without_refinements(CLASS_OF(calling->recv), idMethodMissing, NULL));
return vm_call_method(ec, reg_cfp, calling);