crypto/bn/bn_mul.c:543: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `bn_wexpand`.
Showing all 18 steps of the trace


crypto/bn/bn_mul.c:495:1: Parameter `r->top`
493.   #endif                          /* BN_RECURSION */
494.   
495. > int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
496.   {
497.       int ret = 0;

crypto/bn/bn_mul.c:543:17: Call
541.   # endif
542.           if (al == 8) {
543.               if (bn_wexpand(rr, 16) == NULL)
                       ^
544.                   goto err;
545.               rr->top = 16;

crypto/bn/bn_lib.c:948:1: Parameter `a->top`
  946.   }
  947.   
  948. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
  949.   {
  950.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:950:37: Call
  948.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
  949.   {
  950.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                             ^
  951.   }
  952.   

crypto/bn/bn_lib.c:284:1: Parameter `b->top`
    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 `words`
      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:263:13: Call
      261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
      262.       else
      263.           a = OPENSSL_zalloc(words * sizeof(*a));
                         ^
      264.       if (a == NULL) {
      265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:186:1: Parameter `num`
        184.   }
        185.   
        186. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
        187.   {
        188.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:188:17: Call
        186.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
        187.   {
        188.       void *ret = CRYPTO_malloc(num, file, line);
                               ^
        189.   
        190.       FAILTEST();

crypto/mem.c:166:9: Assignment
          164.   
          165.       if (num == 0)
          166.           return NULL;
                         ^
          167.   
          168.       FAILTEST();

crypto/mem.c:188:5: Assignment
        186.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
        187.   {
        188.       void *ret = CRYPTO_malloc(num, file, line);
                   ^
        189.   
        190.       FAILTEST();

crypto/mem.c:193:5: Assignment
        191.       if (ret != NULL)
        192.           memset(ret, 0, num);
        193.       return ret;
                   ^
        194.   }
        195.   

crypto/bn/bn_lib.c:263:9: Assignment
      261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
      262.       else
      263.           a = OPENSSL_zalloc(words * sizeof(*a));
                     ^
      264.       if (a == NULL) {
      265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:271:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `bn_wexpand` 
      269.       assert(b->top <= words);
      270.       if (b->top > 0)
      271.           memcpy(a, b->d, sizeof(*a) * b->top);
                     ^
      272.   
      273.       return a;
