Re: [U-Boot] [RFC PATCH] net: Check network device driver name

On Friday, August 26, 2011 08:52:40 Michal Simek wrote:

If name is longer than allocated space NAMESIZE mac address is rewritten which show error message like:

since you overflowed the buffer, who knows what could happen ...

• if (strlen(dev->name) > NAMESIZE) {

• printf("Long(%d>%d) network driver name for %s\n",
  

• 			strlen(dev->name), NAMESIZE, dev->name);
  

• return 0;
  

• }

size_t len = strlen(dev->name); if (len >= NAMESIZE) { printf("network driver name is too long (%zu >= %zu): %s\n", len, NAMESIZE, dev->name); return -1; } -mike