ssl/statem/statem_lib.c:257: 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/statem/statem_lib.c:172:1: Parameter `pkt->written`
170.   }
171.   
172. > int tls_construct_cert_verify(SSL *s, WPACKET *pkt)
173.   {
174.       EVP_PKEY *pkey = NULL;

ssl/statem/statem_lib.c:257:10: Call
255.   #endif
256.   
257.       if (!WPACKET_sub_memcpy_u16(pkt, sig, siglen)) {
                ^
258.           SSLerr(SSL_F_TLS_CONSTRUCT_CERT_VERIFY, ERR_R_INTERNAL_ERROR);
259.           goto err;

ssl/packet.c:371:10: Call
  369.                            size_t lenbytes)
  370.   {
  371.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  372.               || !WPACKET_memcpy(pkt, src, len)
  373.               || !WPACKET_close(pkt))

ssl/packet.c:275:1: Parameter `pkt->buf->length`
    273.   }
    274.   
    275. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    276.   {
    277.       WPACKET_SUB *sub;

ssl/packet.c:372:17: Call
  370.   {
  371.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
  372.               || !WPACKET_memcpy(pkt, src, len)
                         ^
  373.               || !WPACKET_close(pkt))
  374.           return 0;

ssl/packet.c:353:1: Parameter `pkt->written`
    351.   }
    352.   
    353. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
    354.   {
    355.       unsigned char *dest;

ssl/packet.c:360:10: Call
    358.           return 1;
    359.   
    360.       if (!WPACKET_allocate_bytes(pkt, len, &dest))
                    ^
    361.           return 0;
    362.   

ssl/packet.c:15:1: Parameter `pkt->written`
      13.   #define DEFAULT_BUF_SIZE    256
      14.   
      15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       if (!WPACKET_reserve_bytes(pkt, len, allocbytes))

ssl/packet.c:17:10: Call
      15.   int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       if (!WPACKET_reserve_bytes(pkt, len, allocbytes))
                     ^
      18.           return 0;
      19.   

ssl/packet.c:39:1: <LHS trace>
37.                        ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
38.   
39. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
40.   {
41.       /* Internal API, so should not fail */

ssl/packet.c:39:1: Parameter `pkt->buf->length`
        37.                        ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
        38.   
        39. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
        40.   {
        41.       /* Internal API, so should not fail */

ssl/packet.c:39:1: <RHS trace>
37.                        ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
38.   
39. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
40.   {
41.       /* Internal API, so should not fail */

ssl/packet.c:39:1: Parameter `len`
        37.                        ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
        38.   
        39. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
        40.   {
        41.       /* Internal API, so should not fail */

ssl/packet.c:49:36: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 6]):unsigned64 by call to `WPACKET_sub_memcpy__` 
        47.           return 0;
        48.   
        49.       if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
                                                 ^
        50.           size_t newlen;
        51.           size_t reflen;
