ssl/statem/extensions.c:1091: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 4]):unsigned64 by call to `construct_ca_names`.
Showing all 14 steps of the trace


ssl/statem/extensions.c:1084:13: Call
1082.   
1083.       if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_certificate_authorities)
1084.           || !WPACKET_start_sub_packet_u16(pkt)) {
                    ^
1085.           SSLfatal(s, SSL_AD_INTERNAL_ERROR,
1086.                    SSL_F_TLS_CONSTRUCT_CERTIFICATE_AUTHORITIES,

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.c:1091:10: Call
1089.       }
1090.   
1091.       if (!construct_ca_names(s, pkt)) {
                 ^
1092.           /* SSLfatal() already called */
1093.           return EXT_RETURN_FAIL;

ssl/statem/statem_lib.c:2108:1: Parameter `pkt->written`
  2106.   }
  2107.   
  2108. > int construct_ca_names(SSL *s, WPACKET *pkt)
  2109.   {
  2110.       const STACK_OF(X509_NAME) *ca_sk = SSL_get0_CA_list(s);

ssl/statem/statem_lib.c:2113:10: Call
  2111.   
  2112.       /* Start sub-packet for client CA list */
  2113.       if (!WPACKET_start_sub_packet_u16(pkt)) {
                   ^
  2114.           SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_CONSTRUCT_CA_NAMES,
  2115.                    ERR_R_INTERNAL_ERROR);

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 `construct_ca_names` 
        46.           return 0;
        47.   
        48.       if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
                                                 ^
        49.           size_t newlen;
        50.           size_t reflen;
