crypto/bn/bn_gf2m.c:881: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_GF2m_arr2poly`.
Showing all 18 steps of the trace


crypto/bn/bn_gf2m.c:879:18: Call
877.   
878.       BN_CTX_start(ctx);
879.       if ((field = BN_CTX_get(ctx)) == NULL)
                        ^
880.           goto err;
881.       if (!BN_GF2m_arr2poly(p, field))

crypto/bn/bn_ctx.c:229:5: Call
  227.       }
  228.       /* OK, make sure the returned bignum is "zero" */
  229.       BN_zero(ret);
             ^
  230.       ctx->used++;
  231.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:405:15: Assignment
    403.       a->neg = 0;
    404.       a->d[0] = w;
    405.       a->top = (w ? 1 : 0);
                         ^
    406.       bn_check_top(a);
    407.       return 1;

crypto/bn/bn_lib.c:405:5: Assignment
    403.       a->neg = 0;
    404.       a->d[0] = w;
    405.       a->top = (w ? 1 : 0);
               ^
    406.       bn_check_top(a);
    407.       return 1;

crypto/bn/bn_gf2m.c:881:10: Call
879.       if ((field = BN_CTX_get(ctx)) == NULL)
880.           goto err;
881.       if (!BN_GF2m_arr2poly(p, field))
                ^
882.           goto err;
883.   

crypto/bn/bn_gf2m.c:1197:1: Parameter `*a->d`
  1195.    * bit-string.  The array must be terminated by -1.
  1196.    */
  1197. > int BN_GF2m_arr2poly(const int p[], BIGNUM *a)
  1198.   {
  1199.       int i;

crypto/bn/bn_gf2m.c:1202:5: Call
  1200.   
  1201.       bn_check_top(a);
  1202.       BN_zero(a);
              ^
  1203.       for (i = 0; p[i] != -1; i++) {
  1204.           if (BN_set_bit(a, p[i]) == 0)

crypto/bn/bn_lib.c:398:1: Parameter `*a->d`
    396.   }
    397.   
    398. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    399.   {
    400.       bn_check_top(a);

crypto/bn/bn_lib.c:401:9: Call
    399.   {
    400.       bn_check_top(a);
    401.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                   ^
    402.           return (0);
    403.       a->neg = 0;

crypto/bn/bn_lcl.h:658:1: Parameter `*a->d`
      656.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
      657.   
      658. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
      659.   {
      660.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/bn/bn_lcl.h:666:12: Call
      664.           return a;
      665.   
      666.       return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
                        ^
      667.   }
      668.   

crypto/bn/bn_lib.c:284:1: Parameter `*b->d`
        282.    */
        283.   
        284. > BIGNUM *bn_expand2(BIGNUM *b, int words)
        285.   {
        286.       bn_check_top(b);

crypto/bn/bn_lib.c:289:23: Call
        287.   
        288.       if (words > b->dmax) {
        289.           BN_ULONG *a = bn_expand_internal(b, words);
                                     ^
        290.           if (!a)
        291.               return NULL;

crypto/bn/bn_lib.c:246:1: <Offset trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `b->top`
          244.   /* This is used by bn_expand2() */
          245.   /* The caller MUST check that words > b->dmax before calling this */
          246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
          247.   {
          248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: <Length trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `*b->d`
          244.   /* This is used by bn_expand2() */
          245.   /* The caller MUST check that words > b->dmax before calling this */
          246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
          247.   {
          248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:271:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_GF2m_arr2poly` 
          269.       assert(b->top <= words);
          270.       if (b->top > 0)
          271.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          272.   
          273.       return a;
