crypto/evp/bio_enc.c:229: error: INTEGER_OVERFLOW_L1
  (0 - [1, 4096]):unsigned64 by call to `EVP_CipherUpdate`.
Showing all 10 steps of the trace


crypto/evp/bio_enc.c:228:13: Assignment
226.       ctx->buf_off = 0;
227.       while (inl > 0) {
228.           n = (inl > ENC_BLOCK_SIZE) ? ENC_BLOCK_SIZE : inl;
                   ^
229.           if (!EVP_CipherUpdate(ctx->cipher,
230.                                 (unsigned char *)ctx->buf, &ctx->buf_len,

crypto/evp/bio_enc.c:228:9: Assignment
226.       ctx->buf_off = 0;
227.       while (inl > 0) {
228.           n = (inl > ENC_BLOCK_SIZE) ? ENC_BLOCK_SIZE : inl;
               ^
229.           if (!EVP_CipherUpdate(ctx->cipher,
230.                                 (unsigned char *)ctx->buf, &ctx->buf_len,

crypto/evp/bio_enc.c:229:14: Call
227.       while (inl > 0) {
228.           n = (inl > ENC_BLOCK_SIZE) ? ENC_BLOCK_SIZE : inl;
229.           if (!EVP_CipherUpdate(ctx->cipher,
                    ^
230.                                 (unsigned char *)ctx->buf, &ctx->buf_len,
231.                                 (unsigned char *)in, n)) {

crypto/evp/evp_enc.c:205:1: Parameter `inl`
  203.   }
  204.   
  205. > int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
  206.                        const unsigned char *in, int inl)
  207.   {

crypto/evp/evp_enc.c:209:16: Call
  207.   {
  208.       if (ctx->encrypt)
  209.           return EVP_EncryptUpdate(ctx, out, outl, in, inl);
                        ^
  210.       else
  211.           return EVP_DecryptUpdate(ctx, out, outl, in, inl);

crypto/evp/evp_enc.c:294:1: Parameter `inl`
    292.   }
    293.   
    294. > int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
    295.                         const unsigned char *in, int inl)
    296.   {

crypto/evp/evp_enc.c:300:13: Call
    298.   
    299.       if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {
    300.           if (is_partially_overlapping(out, in, inl))
                       ^
    301.               return 0;
    302.   

crypto/evp/evp_enc.c:279:1: <RHS trace>
277.   #endif
278.   
279. > static int is_partially_overlapping(const void *ptr1, const void *ptr2,
280.                                       int len)
281.   {

crypto/evp/evp_enc.c:279:1: Parameter `len`
      277.   #endif
      278.   
      279. > static int is_partially_overlapping(const void *ptr1, const void *ptr2,
      280.                                       int len)
      281.   {

crypto/evp/evp_enc.c:289:49: Binary operation: (0 - [1, 4096]):unsigned64 by call to `EVP_CipherUpdate` 
      287.        */
      288.       int condition = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
      289.                                                  (diff > (0 - (PTRDIFF_T)len)));
                                                             ^
      290.       assert(!condition);
      291.       return condition;

static int is_partially_overlapping(const void *ptr1, const void *ptr2,
                                    int len)
{
    PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;
    int condition = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
                                               (diff > (0 - (PTRDIFF_T)len)));
    assert(!condition);
    return condition;
}
['static int enc_write(BIO *b, const char *in, int inl)\n{\n    int ret = 0, n, i;\n    BIO_ENC_CTX *ctx;\n    BIO *next;\n    ctx = BIO_get_data(b);\n    next = BIO_next(b);\n    if ((ctx == NULL) || (next == NULL))\n        return 0;\n    ret = inl;\n    BIO_clear_retry_flags(b);\n    n = ctx->buf_len - ctx->buf_off;\n    while (n > 0) {\n        i = BIO_write(next, &(ctx->buf[ctx->buf_off]), n);\n        if (i <= 0) {\n            BIO_copy_next_retry(b);\n            return (i);\n        }\n        ctx->buf_off += i;\n        n -= i;\n    }\n    if ((in == NULL) || (inl <= 0))\n        return (0);\n    ctx->buf_off = 0;\n    while (inl > 0) {\n        n = (inl > ENC_BLOCK_SIZE) ? ENC_BLOCK_SIZE : inl;\n        if (!EVP_CipherUpdate(ctx->cipher,\n                              (unsigned char *)ctx->buf, &ctx->buf_len,\n                              (unsigned char *)in, n)) {\n            BIO_clear_retry_flags(b);\n            return 0;\n        }\n        inl -= n;\n        in += n;\n        ctx->buf_off = 0;\n        n = ctx->buf_len;\n        while (n > 0) {\n            i = BIO_write(next, &(ctx->buf[ctx->buf_off]), n);\n            if (i <= 0) {\n                BIO_copy_next_retry(b);\n                return (ret == inl) ? i : ret - inl;\n            }\n            n -= i;\n            ctx->buf_off += i;\n        }\n        ctx->buf_len = 0;\n        ctx->buf_off = 0;\n    }\n    BIO_copy_next_retry(b);\n    return (ret);\n}', 'int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n                     const unsigned char *in, int inl)\n{\n    if (ctx->encrypt)\n        return EVP_EncryptUpdate(ctx, out, outl, in, inl);\n    else\n        return EVP_DecryptUpdate(ctx, out, outl, in, inl);\n}', 'int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n                      const unsigned char *in, int inl)\n{\n    int i, j, bl;\n    if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {\n        if (is_partially_overlapping(out, in, inl))\n            return 0;\n        i = ctx->cipher->do_cipher(ctx, out, in, inl);\n        if (i < 0)\n            return 0;\n        else\n            *outl = i;\n        return 1;\n    }\n    if (inl <= 0) {\n        *outl = 0;\n        return inl == 0;\n    }\n    if (is_partially_overlapping(out, in, inl))\n        return 0;\n    if (ctx->buf_len == 0 && (inl & (ctx->block_mask)) == 0) {\n        if (ctx->cipher->do_cipher(ctx, out, in, inl)) {\n            *outl = inl;\n            return 1;\n        } else {\n            *outl = 0;\n            return 0;\n        }\n    }\n    i = ctx->buf_len;\n    bl = ctx->cipher->block_size;\n    OPENSSL_assert(bl <= (int)sizeof(ctx->buf));\n    if (i != 0) {\n        if (bl - i > inl) {\n            memcpy(&(ctx->buf[i]), in, inl);\n            ctx->buf_len += inl;\n            *outl = 0;\n            return 1;\n        } else {\n            j = bl - i;\n            memcpy(&(ctx->buf[i]), in, j);\n            inl -= j;\n            in += j;\n            if (is_partially_overlapping(out, in, bl))\n                return 0;\n            if (!ctx->cipher->do_cipher(ctx, out, ctx->buf, bl))\n                return 0;\n            out += bl;\n            *outl = bl;\n        }\n    } else\n        *outl = 0;\n    i = inl & (bl - 1);\n    inl -= i;\n    if (inl > 0) {\n        if (!ctx->cipher->do_cipher(ctx, out, in, inl))\n            return 0;\n        *outl += inl;\n    }\n    if (i != 0)\n        memcpy(ctx->buf, &(in[inl]), i);\n    ctx->buf_len = i;\n    return 1;\n}', 'static int is_partially_overlapping(const void *ptr1, const void *ptr2,\n                                    int len)\n{\n    PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;\n    int condition = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |\n                                               (diff > (0 - (PTRDIFF_T)len)));\n    assert(!condition);\n    return condition;\n}']