ssl/statem/extensions_clnt.c:25: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 5]):unsigned64 by call to `WPACKET_sub_memcpy__`.
Showing all 18 steps of the trace


ssl/statem/extensions_clnt.c:15:1: Parameter `pkt->written`
13.   #include "statem_locl.h"
14.   
15. > EXT_RETURN tls_construct_ctos_renegotiate(SSL *s, WPACKET *pkt,
16.                                             unsigned int context, X509 *x,
17.                                             size_t chainidx)

ssl/statem/extensions_clnt.c:23:10: Call
21.           return EXT_RETURN_NOT_SENT;
22.   
23.       if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)
               ^
24.               || !WPACKET_start_sub_packet_u16(pkt)
25.               || !WPACKET_sub_memcpy_u8(pkt, s->s3.previous_client_finished,

ssl/packet.c:309:1: Parameter `pkt->written`
  307.   }
  308.   
  309. > int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)
  310.   {
  311.       unsigned char *data;

ssl/statem/extensions_clnt.c:24:17: Call
22.   
23.       if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)
24.               || !WPACKET_start_sub_packet_u16(pkt)
                      ^
25.               || !WPACKET_sub_memcpy_u8(pkt, s->s3.previous_client_finished,
26.                                  s->s3.previous_client_finished_len)

ssl/packet.c:272:1: Parameter `pkt->written`
  270.   }
  271.   
  272. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
  273.   {
  274.       WPACKET_SUB *sub;

ssl/statem/extensions_clnt.c:25:17: Call
23.       if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)
24.               || !WPACKET_start_sub_packet_u16(pkt)
25.               || !WPACKET_sub_memcpy_u8(pkt, s->s3.previous_client_finished,
                      ^
26.                                  s->s3.previous_client_finished_len)
27.               || !WPACKET_close(pkt)) {

ssl/packet.c:380:10: Call
  378.                            size_t lenbytes)
  379.   {
  380.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  381.               || !WPACKET_memcpy(pkt, src, len)
  382.               || !WPACKET_close(pkt))

ssl/packet.c:272:1: Parameter `pkt->buf->length`
    270.   }
    271.   
    272. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    273.   {
    274.       WPACKET_SUB *sub;

ssl/packet.c:381:17: Call
  379.   {
  380.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
  381.               || !WPACKET_memcpy(pkt, src, len)
                         ^
  382.               || !WPACKET_close(pkt))
  383.           return 0;

ssl/packet.c:362:1: Parameter `pkt->written`
    360.   }
    361.   
    362. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
    363.   {
    364.       unsigned char *dest;

ssl/packet.c:369:10: Call
    367.           return 1;
    368.   
    369.       if (!WPACKET_allocate_bytes(pkt, len, &dest))
                    ^
    370.           return 0;
    371.   

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

ssl/packet.c:18:10: Call
      16.   int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      17.   {
      18.       if (!WPACKET_reserve_bytes(pkt, len, allocbytes))
                     ^
      19.           return 0;
      20.   

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

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

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

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

ssl/packet.c:49:36: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 5]):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;

int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
    if (!ossl_assert(pkt->subs != NULL && len != 0))
        return 0;
    if (pkt->maxsize - pkt->written < len)
        return 0;
    if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
        size_t newlen;
        size_t reflen;
        reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
        if (reflen > SIZE_MAX / 2) {
            newlen = SIZE_MAX;
        } else {
            newlen = reflen * 2;
            if (newlen < DEFAULT_BUF_SIZE)
                newlen = DEFAULT_BUF_SIZE;
        }
        if (BUF_MEM_grow(pkt->buf, newlen) == 0)
            return 0;
    }
    if (allocbytes != NULL)
        *allocbytes = WPACKET_get_curr(pkt);
    return 1;
}
['EXT_RETURN tls_construct_ctos_renegotiate(SSL *s, WPACKET *pkt,\n                                          unsigned int context, X509 *x,\n                                          size_t chainidx)\n{\n    if (!s->renegotiate)\n        return EXT_RETURN_NOT_SENT;\n    if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)\n            || !WPACKET_start_sub_packet_u16(pkt)\n            || !WPACKET_sub_memcpy_u8(pkt, s->s3.previous_client_finished,\n                               s->s3.previous_client_finished_len)\n            || !WPACKET_close(pkt)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CTOS_RENEGOTIATE,\n                 ERR_R_INTERNAL_ERROR);\n        return EXT_RETURN_FAIL;\n    }\n    return EXT_RETURN_SENT;\n}', 'int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)\n{\n    unsigned char *data;\n    if (!ossl_assert(size <= sizeof(unsigned int))\n            || !WPACKET_allocate_bytes(pkt, size, &data)\n            || !put_value(data, val, size))\n        return 0;\n    return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n    WPACKET_SUB *sub;\n    unsigned char *lenchars;\n    if (!ossl_assert(pkt->subs != NULL))\n        return 0;\n    if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {\n        SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);\n        return 0;\n    }\n    sub->parent = pkt->subs;\n    pkt->subs = sub;\n    sub->pwritten = pkt->written + lenbytes;\n    sub->lenbytes = lenbytes;\n    if (lenbytes == 0) {\n        sub->packet_len = 0;\n        return 1;\n    }\n    if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n        return 0;\n    sub->packet_len = lenchars - GETBUF(pkt);\n    return 1;\n}', 'int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,\n                         size_t lenbytes)\n{\n    if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n            || !WPACKET_memcpy(pkt, src, len)\n            || !WPACKET_close(pkt))\n        return 0;\n    return 1;\n}', 'int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)\n{\n    unsigned char *dest;\n    if (len == 0)\n        return 1;\n    if (!WPACKET_allocate_bytes(pkt, len, &dest))\n        return 0;\n    memcpy(dest, src, len);\n    return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n    if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n        return 0;\n    pkt->written += len;\n    pkt->curr += len;\n    return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n    if (!ossl_assert(pkt->subs != NULL && len != 0))\n        return 0;\n    if (pkt->maxsize - pkt->written < len)\n        return 0;\n    if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n        size_t newlen;\n        size_t reflen;\n        reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n        if (reflen > SIZE_MAX / 2) {\n            newlen = SIZE_MAX;\n        } else {\n            newlen = reflen * 2;\n            if (newlen < DEFAULT_BUF_SIZE)\n                newlen = DEFAULT_BUF_SIZE;\n        }\n        if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n            return 0;\n    }\n    if (allocbytes != NULL)\n        *allocbytes = WPACKET_get_curr(pkt);\n    return 1;\n}']