Function writeMsg

CVE-2022-0995/exploit.c:123–127

}

int writeMsg(int msqid, void *msgp, size_t msgsz, long msgtyp)
{
    *(long*)msgp = msgtyp;
    return msgsnd(msqid, msgp, msgsz - sizeof(long), 0);
}

int peekMsg(int msqid, void *msgp, size_t msgsz, long msgtyp)
{