ssl/t1_lib.c:1043: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 6]):unsigned64 by call to `WPACKET_sub_memcpy__`.
Showing all 14 steps of the trace


ssl/t1_lib.c:1016:1: Parameter `pkt->written`
1014.   }
1015.   
1016. > int ssl_add_clienthello_tlsext(SSL *s, WPACKET *pkt, int *al)
1017.   {
1018.   #ifndef OPENSSL_NO_EC

ssl/t1_lib.c:1042:14: Call
1040.       /* Add RI if renegotiating */
1041.       if (s->renegotiate) {
1042.           if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)
                     ^
1043.                   || !WPACKET_sub_memcpy_u16(pkt, s->s3->previous_client_finished,
1044.                                      s->s3->previous_client_finished_len)) {

ssl/packet.c:237:1: Parameter `pkt->written`
  235.   }
  236.   
  237. > int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)
  238.   {
  239.       unsigned char *data;

ssl/t1_lib.c:1043:21: Call
1041.       if (s->renegotiate) {
1042.           if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)
1043.                   || !WPACKET_sub_memcpy_u16(pkt, s->s3->previous_client_finished,
                            ^
1044.                                      s->s3->previous_client_finished_len)) {
1045.               SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);

ssl/packet.c:296:10: Call
  294.                            size_t lenbytes)
  295.   {
  296.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  297.               || !WPACKET_memcpy(pkt, src, len)
  298.               || !WPACKET_close(pkt))

ssl/packet.c:201:1: Parameter `pkt->buf->length`
    199.   }
    200.   
    201. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    202.   {
    203.       WPACKET_SUB *sub;

ssl/packet.c:297:17: Call
  295.   {
  296.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
  297.               || !WPACKET_memcpy(pkt, src, len)
                         ^
  298.               || !WPACKET_close(pkt))
  299.           return 0;

ssl/packet.c:278:1: Parameter `pkt->written`
    276.   }
    277.   
    278. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
    279.   {
    280.       unsigned char *dest;

ssl/packet.c:285:10: Call
    283.           return 1;
    284.   
    285.       if (!WPACKET_allocate_bytes(pkt, len, &dest))
                    ^
    286.           return 0;
    287.   

ssl/packet.c:15:1: <LHS trace>
13.   #define DEFAULT_BUF_SIZE    256
14.   
15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
16.   {
17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: Parameter `pkt->buf->length`
      13.   #define DEFAULT_BUF_SIZE    256
      14.   
      15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: <RHS trace>
13.   #define DEFAULT_BUF_SIZE    256
14.   
15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
16.   {
17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: Parameter `len`
      13.   #define DEFAULT_BUF_SIZE    256
      14.   
      15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       /* Internal API, so should not fail */

ssl/packet.c:25:9: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 6]):unsigned64 by call to `WPACKET_sub_memcpy__` 
      23.           return 0;
      24.   
      25.       if (pkt->buf->length - pkt->written < len) {
                    ^
      26.           size_t newlen;
      27.   
