FIX: getEfuseMac can return random data (#1059)
esp_efuse_mac_get_default() only stores into the bottom 6 bytes of it's 8-byte argument, so must initialize this arg to zero to avoid trash on the stack.
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@ -218,7 +218,7 @@ bool EspClass::flashRead(uint32_t offset, uint32_t *data, size_t size)
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uint64_t EspClass::getEfuseMac(void)
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{
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uint64_t _chipmacid;
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uint64_t _chipmacid = 0LL;
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esp_efuse_mac_get_default((uint8_t*) (&_chipmacid));
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return _chipmacid;
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}
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