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fix sprintf overflow

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YI 2021-02-19 23:42:38 +08:00
parent e8390afad5
commit d526dca1bb
1 changed files with 1 additions and 1 deletions
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2
one.cpp
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@ -1333,7 +1333,7 @@ static int cli(int argc,char **argv)
if (ioctl(sock, SIOCGIFHWADDR, &ifr) == 0) { if (ioctl(sock, SIOCGIFHWADDR, &ifr) == 0) {
unsigned char mac_addr[6]; unsigned char mac_addr[6];
memcpy(mac_addr, ifr.ifr_hwaddr.sa_data, 6); memcpy(mac_addr, ifr.ifr_hwaddr.sa_data, 6);
char macStr[16]; char macStr[18];
sprintf(macStr, "%02x:%02x:%02x:%02x:%02x:%02x", sprintf(macStr, "%02x:%02x:%02x:%02x:%02x:%02x",
mac_addr[0], mac_addr[0],
mac_addr[1], mac_addr[1],