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[network] Fix Mac buffer overflow.

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Moonchild 2022-11-19 14:23:40 +00:00 • committed by roytam1
commit 6408291d76
1 changed files with 4 additions and 2 deletions
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6
netwerk/system/mac/nsNetworkLinkService.mm
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@ -181,11 +181,13 @@ static bool scanArp(char *ip, char *mac, size_t maclen)
if (st == 0 || errno != ENOMEM) {
break;
}
needed += needed / 8;
size_t increased = needed;
increased += increased / 8;
auto tmp = MakeUnique<char[]>(needed);
auto tmp = MakeUnique<char[]>(increased);
memcpy(&tmp[0], &buf[0], needed);
buf = Move(tmp);
needed = increased;
}
if (st == -1) {
return false;