c - sprintf() セグメンテーション エラー

Question

プログラムにセグメンテーション違反があります。これが私のコードです

char buffer[5000]="";
memset(buffer,0,sizeof(buffer));
sprintf(buffer,"<?xml version=\"1.0\" encoding=\"utf-8\"?>\
                        <soap:Envelope xmlns:soap=\"http://www.w3.org/2003/05/soap-envelope\" xmlns:log=\"http://wsdlclass.wsdlcreat.sims.triesten.com\">\
                        <soap:Header>\
                        </soap:Header>\
                        <soap:Body>\
                        <log:saveMessBillingDetails>\
                        <log:userId>%s</log:userId>\
                        <log:billNo>%s</log:billNo>\
            <log:billingAmount>%s</log:billingAmount>\
            <log:billingDate>%s</log:billingDate>\
            <log:messId>%s</log:messId>\
            <log:itemId>%s</log:itemId>\
            <log:ipAddress>%s</log:ipAddress>\
            <log:schoolId>%s</log:schoolId>\
                        </log:saveMessBillingDetails>\
                        </soap:Body>\
            </soap:Envelope>",
  "00007", "152555", "42.00", "17-08-2013", 10, "CHKK", "10.10.1.164", 1);