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Berry fix possible memory corruption

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This commit is contained in:
Stephan Hadinger 2021-10-24 10:23:36 +02:00
parent 2e87681612
commit 9fcd7c3ae4
1 changed files with 6 additions and 0 deletions
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6
lib/libesp32/Berry/src/be_vm.c
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@ -882,28 +882,34 @@ newframe: /* a new call frame */
binstance *obj = var_toobj(a); binstance *obj = var_toobj(a);
bstring *attr = var_tostr(b); bstring *attr = var_tostr(b);
if (!be_instance_setmember(vm, obj, attr, c)) { if (!be_instance_setmember(vm, obj, attr, c)) {
reg = vm->reg;
vm_error(vm, "attribute_error", vm_error(vm, "attribute_error",
"class '%s' cannot assign to attribute '%s'", "class '%s' cannot assign to attribute '%s'",
str(be_instance_name(obj)), str(attr)); str(be_instance_name(obj)), str(attr));
} }
reg = vm->reg;
dispatch(); dispatch();
} }
if (var_isclass(a) && var_isstr(b)) { if (var_isclass(a) && var_isstr(b)) {
bclass *obj = var_toobj(a); bclass *obj = var_toobj(a);
bstring *attr = var_tostr(b); bstring *attr = var_tostr(b);
if (!be_class_setmember(vm, obj, attr, c)) { if (!be_class_setmember(vm, obj, attr, c)) {
reg = vm->reg;
vm_error(vm, "attribute_error", vm_error(vm, "attribute_error",
"class '%s' cannot assign to static attribute '%s'", "class '%s' cannot assign to static attribute '%s'",
str(be_class_name(obj)), str(attr)); str(be_class_name(obj)), str(attr));
} }
reg = vm->reg;
dispatch(); dispatch();
} }
if (var_ismodule(a) && var_isstr(b)) { if (var_ismodule(a) && var_isstr(b)) {
bmodule *obj = var_toobj(a); bmodule *obj = var_toobj(a);
bstring *attr = var_tostr(b); bstring *attr = var_tostr(b);
if (be_module_setmember(vm, obj, attr, c)) { if (be_module_setmember(vm, obj, attr, c)) {
reg = vm->reg;
dispatch(); dispatch();
} else { } else {
reg = vm->reg;
// fall through exception below // fall through exception below
} }
} }