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| author | Jeff Epler <jepler@gmail.com> | 2018-04-01 12:15:35 -0500 |
|---|---|---|
| committer | Jeff Epler <jepler@gmail.com> | 2018-04-01 16:40:15 -0500 |
| commit | a909007fefbb94ac8de64517a712277cd76e9993 (patch) | |
| tree | 75e959227d6da1924a487d2e77d1f27653a966f1 /py/objgenerator.c | |
| parent | 3215b85568af98987c8d54af4e691637a74e91bc (diff) | |
py/objgenerator: Check stack before resuming a generator
This turns a hard crash in a recursive generator into
a 'maximum recursion depth exceeded' exception.
Diffstat (limited to 'py/objgenerator.c')
| -rw-r--r-- | py/objgenerator.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/py/objgenerator.c b/py/objgenerator.c index 139452442..ff566c076 100644 --- a/py/objgenerator.c +++ b/py/objgenerator.c @@ -32,6 +32,7 @@ #include "py/bc.h" #include "py/objgenerator.h" #include "py/objfun.h" +#include "py/stackctrl.h" /******************************************************************************/ /* generator wrapper */ @@ -92,6 +93,7 @@ STATIC void gen_instance_print(const mp_print_t *print, mp_obj_t self_in, mp_pri } mp_vm_return_kind_t mp_obj_gen_resume(mp_obj_t self_in, mp_obj_t send_value, mp_obj_t throw_value, mp_obj_t *ret_val) { + MP_STACK_CHECK(); mp_check_self(MP_OBJ_IS_TYPE(self_in, &mp_type_gen_instance)); mp_obj_gen_instance_t *self = MP_OBJ_TO_PTR(self_in); if (self->code_state.ip == 0) { |