ssl/statem/statem_clnt.c:3120: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [0, `s->ext.npn_len` + `pkt->written` + 2]):unsigned64 by call to `WPACKET_sub_allocate_bytes__`.
Showing all 16 steps of the trace


ssl/statem/statem_clnt.c:3111:1: Parameter `pkt->written`
3109.   
3110.   #ifndef OPENSSL_NO_NEXTPROTONEG
3111. > int tls_construct_next_proto(SSL *s, WPACKET *pkt)
3112.   {
3113.       size_t len, padding_len;

ssl/statem/statem_clnt.c:3119:10: Call
3117.       padding_len = 32 - ((len + 2) % 32);
3118.   
3119.       if (!WPACKET_sub_memcpy_u8(pkt, s->ext.npn, len)
                 ^
3120.               || !WPACKET_sub_allocate_bytes_u8(pkt, padding_len, &padding)) {
3121.           SSLerr(SSL_F_TLS_CONSTRUCT_NEXT_PROTO, ERR_R_INTERNAL_ERROR);

ssl/packet.c:345:1: Parameter `lenbytes`
  343.   }
  344.   
  345. > int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,
  346.                            size_t lenbytes)
  347.   {

ssl/packet.c:348:10: Call
  346.                            size_t lenbytes)
  347.   {
  348.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  349.               || !WPACKET_memcpy(pkt, src, len)
  350.               || !WPACKET_close(pkt))

ssl/packet.c:252:1: Parameter `pkt->written`
    250.   }
    251.   
    252. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    253.   {
    254.       WPACKET_SUB *sub;

ssl/statem/statem_clnt.c:3120:17: Call
3118.   
3119.       if (!WPACKET_sub_memcpy_u8(pkt, s->ext.npn, len)
3120.               || !WPACKET_sub_allocate_bytes_u8(pkt, padding_len, &padding)) {
                        ^
3121.           SSLerr(SSL_F_TLS_CONSTRUCT_NEXT_PROTO, ERR_R_INTERNAL_ERROR);
3122.           goto err;

ssl/packet.c:28:10: Call
  26.                                    unsigned char **allocbytes, size_t lenbytes)
  27.   {
  28.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                 ^
  29.               || !WPACKET_allocate_bytes(pkt, len, allocbytes)
  30.               || !WPACKET_close(pkt))

ssl/packet.c:252:1: Parameter `pkt->buf->length`
    250.   }
    251.   
    252. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    253.   {
    254.       WPACKET_SUB *sub;

ssl/packet.c:29:17: Call
  27.   {
  28.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
  29.               || !WPACKET_allocate_bytes(pkt, len, allocbytes)
                        ^
  30.               || !WPACKET_close(pkt))
  31.           return 0;

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] - [0, s->ext.npn_len + pkt->written + 2]):unsigned64 by call to `WPACKET_sub_allocate_bytes__` 
      47.           return 0;
      48.   
      49.       if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
                                               ^
      50.           size_t newlen;
      51.           size_t reflen;
