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Added max size check to recv_into
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shared-bindings/socketpool/Socket.c

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -260,6 +260,9 @@ STATIC mp_obj_t socketpool_socket_recv_into(size_t n_args, const mp_obj_t *args)
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mp_int_t len = bufinfo.len;
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if (n_args == 3) {
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mp_int_t given_len = mp_obj_get_int(args[2]);
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if (given_len > len) {
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mp_raise_ValueError(translate("buffer too small for requested bytes"));
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}
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if (given_len > 0 && given_len < len) {
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len = given_len;
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}

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