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| author | Damien George <damien.p.george@gmail.com> | 2017-02-27 16:09:57 +1100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2017-02-27 16:09:57 +1100 |
| commit | f4a12dca58c53f11a6e89424a47158fe6e48ade9 (patch) | |
| tree | 163a78728d62d83cce42f1a5ae2363a354c5c9f6 /py/objarray.c | |
| parent | 23ccb3e12e3b7fe6b56785d1e17e9d990d1da86c (diff) | |
| download | micropython-f4a12dca58c53f11a6e89424a47158fe6e48ade9.tar.gz micropython-f4a12dca58c53f11a6e89424a47158fe6e48ade9.zip | |
py/objarray: Disallow slice-assignment to read-only memoryview.
Also comes with a test for this. Fixes issue #2904.
Diffstat (limited to 'py/objarray.c')
| -rw-r--r-- | py/objarray.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/py/objarray.c b/py/objarray.c index 1b590f3c05..a84a631519 100644 --- a/py/objarray.c +++ b/py/objarray.c @@ -418,6 +418,10 @@ STATIC mp_obj_t array_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_obj_t value uint8_t* dest_items = o->items; #if MICROPY_PY_BUILTINS_MEMORYVIEW if (o->base.type == &mp_type_memoryview) { + if ((o->typecode & 0x80) == 0) { + // store to read-only memoryview not allowed + return MP_OBJ_NULL; + } if (len_adj != 0) { goto compat_error; } |