ssl/statem/statem_clnt.c:2438: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 2]):unsigned64 by call to `WPACKET_sub_allocate_bytes__`.
Showing all 12 steps of the trace


ssl/statem/statem_clnt.c:2432:1: Parameter `pkt->written`
2430.   }
2431.   
2432. > static int tls_construct_cke_srp(SSL *s, WPACKET *pkt, int *al)
2433.   {
2434.   #ifndef OPENSSL_NO_SRP

ssl/statem/statem_clnt.c:2438:17: Call
2436.   
2437.       if (s->srp_ctx.A == NULL
2438.               || !WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(s->srp_ctx.A),
                        ^
2439.                                                  &abytes)) {
2440.           SSLerr(SSL_F_TLS_CONSTRUCT_CKE_SRP, ERR_R_INTERNAL_ERROR);

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:224:1: Parameter `pkt->buf->length`
    222.   }
    223.   
    224. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    225.   {
    226.       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:36:1: <LHS trace>
34.   }
35.   
36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
37.   {
38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: Parameter `pkt->buf->length`
      34.   }
      35.   
      36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      37.   {
      38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: <RHS trace>
34.   }
35.   
36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
37.   {
38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: Parameter `len`
      34.   }
      35.   
      36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      37.   {
      38.       /* Internal API, so should not fail */

ssl/packet.c:46:9: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 2]):unsigned64 by call to `WPACKET_sub_allocate_bytes__` 
      44.           return 0;
      45.   
      46.       if (pkt->buf->length - pkt->written < len) {
                    ^
      47.           size_t newlen;
      48.           size_t reflen;
