ssl/statem/extensions_srvr.c:897: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 4]):unsigned64 by call to `WPACKET_sub_memcpy__`.
Showing all 14 steps of the trace


ssl/statem/extensions_srvr.c:896:17: Call
894.       tls1_get_formatlist(s, &plist, &plistlen);
895.       if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)
896.               || !WPACKET_start_sub_packet_u16(pkt)
                       ^
897.               || !WPACKET_sub_memcpy_u8(pkt, plist, plistlen)
898.               || !WPACKET_close(pkt)) {

ssl/packet.c:270:1: Parameter `pkt->buf->length`
  268.   }
  269.   
  270. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
  271.   {
  272.       WPACKET_SUB *sub;

ssl/statem/extensions_srvr.c:897:17: Call
895.       if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)
896.               || !WPACKET_start_sub_packet_u16(pkt)
897.               || !WPACKET_sub_memcpy_u8(pkt, plist, plistlen)
                       ^
898.               || !WPACKET_close(pkt)) {
899.           SSLerr(SSL_F_TLS_CONSTRUCT_STOC_EC_PT_FORMATS, ERR_R_INTERNAL_ERROR);

ssl/packet.c:374:1: Parameter `pkt->written`
  372.   }
  373.   
  374. > int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,
  375.                            size_t lenbytes)
  376.   {

ssl/packet.c:377:10: Call
  375.                            size_t lenbytes)
  376.   {
  377.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  378.               || !WPACKET_memcpy(pkt, src, len)
  379.               || !WPACKET_close(pkt))

ssl/packet.c:270:1: Parameter `pkt->written`
    268.   }
    269.   
    270. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    271.   {
    272.       WPACKET_SUB *sub;

ssl/packet.c:293:10: Call
    291.       }
    292.   
    293.       if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))
                    ^
    294.           return 0;
    295.       /* Convert to an offset in case the underlying BUF_MEM gets realloc'd */

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:48:36: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 4]):unsigned64 by call to `WPACKET_sub_memcpy__` 
        46.           return 0;
        47.   
        48.       if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
                                                 ^
        49.           size_t newlen;
        50.           size_t reflen;
