crypto/rsa/rsa_ossl.c:888: error: BUFFER_OVERRUN_L3
  Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_exp_mont`.
Showing all 74 steps of the trace


crypto/rsa/rsa_ossl.c:591:1: Parameter `ctx->stack.depth`
589.   }
590.   
591. > static int rsa_ossl_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
592.   {
593.       BIGNUM *r1, *m1, *vrfy, *r2, *m[RSA_MAX_PRIME_NUM - 2];

crypto/rsa/rsa_ossl.c:597:5: Call
595.       RSA_PRIME_INFO *pinfo;
596.   
597.       BN_CTX_start(ctx);
           ^
598.   
599.       r1 = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
  169.   }
  170.   
  171. > void BN_CTX_start(BN_CTX *ctx)
  172.   {
  173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/rsa/rsa_ossl.c:599:10: Call
597.       BN_CTX_start(ctx);
598.   
599.       r1 = BN_CTX_get(ctx);
                ^
600.       r2 = BN_CTX_get(ctx);
601.       m1 = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
  200.   }
  201.   
  202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
  203.   {
  204.       BIGNUM *ret;

crypto/rsa/rsa_ossl.c:600:10: Call
598.   
599.       r1 = BN_CTX_get(ctx);
600.       r2 = BN_CTX_get(ctx);
                ^
601.       m1 = BN_CTX_get(ctx);
602.       vrfy = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
  200.   }
  201.   
  202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
  203.   {
  204.       BIGNUM *ret;

crypto/rsa/rsa_ossl.c:601:10: Call
599.       r1 = BN_CTX_get(ctx);
600.       r2 = BN_CTX_get(ctx);
601.       m1 = BN_CTX_get(ctx);
                ^
602.       vrfy = BN_CTX_get(ctx);
603.       if (vrfy == NULL)

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
  200.   }
  201.   
  202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
  203.   {
  204.       BIGNUM *ret;

crypto/rsa/rsa_ossl.c:602:12: Call
600.       r2 = BN_CTX_get(ctx);
601.       m1 = BN_CTX_get(ctx);
602.       vrfy = BN_CTX_get(ctx);
                  ^
603.       if (vrfy == NULL)
604.           goto err;

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
  200.   }
  201.   
  202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
  203.   {
  204.       BIGNUM *ret;

crypto/rsa/rsa_ossl.c:701:14: Call
699.           BN_with_flags(c, I, BN_FLG_CONSTTIME);
700.   
701.           if (!BN_mod(r1, c, rsa->q, ctx)) {
                    ^
702.               BN_free(c);
703.               goto err;

crypto/bn/bn_div.c:209:1: Parameter `ctx->stack.depth`
  207.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  208.    */
  209. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  210.              BN_CTX *ctx)
  211.   {

crypto/rsa/rsa_ossl.c:726:14: Call
724.   
725.           /* compute I mod p */
726.           if (!BN_mod(r1, c, rsa->p, ctx)) {
                    ^
727.               BN_free(c);
728.               goto err;

crypto/bn/bn_div.c:209:1: Parameter `ctx->stack.depth`
  207.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  208.    */
  209. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  210.              BN_CTX *ctx)
  211.   {

crypto/rsa/rsa_ossl.c:810:10: Call
808.               goto err;
809.   
810.       if (!BN_mul(r1, r0, rsa->iqmp, ctx))
                ^
811.           goto err;
812.   

crypto/bn/bn_mul.c:497:1: Parameter `ctx->stack.depth`
  495.   #endif                          /* BN_RECURSION */
  496.   
  497. > int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
  498.   {
  499.       int ret = bn_mul_fixed_top(r, a, b, ctx);

crypto/bn/bn_mul.c:499:15: Call
  497.   int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
  498.   {
  499.       int ret = bn_mul_fixed_top(r, a, b, ctx);
                       ^
  500.   
  501.       bn_correct_top(r);

crypto/bn/bn_mul.c:507:1: Parameter `ctx->stack.depth`
    505.   }
    506.   
    507. > int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
    508.   {
    509.       int ret = 0;

crypto/rsa/rsa_ossl.c:819:14: Call
817.           BN_with_flags(pr1, r1, BN_FLG_CONSTTIME);
818.   
819.           if (!BN_mod(r0, pr1, rsa->p, ctx)) {
                    ^
820.               BN_free(pr1);
821.               goto err;

crypto/bn/bn_div.c:209:1: Parameter `ctx->stack.depth`
  207.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  208.    */
  209. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  210.              BN_CTX *ctx)
  211.   {

crypto/rsa/rsa_ossl.c:837:10: Call
835.           if (!BN_add(r0, r0, rsa->p))
836.               goto err;
837.       if (!BN_mul(r1, r0, rsa->q, ctx))
                ^
838.           goto err;
839.       if (!BN_add(r0, r1, m1))

crypto/bn/bn_mul.c:497:1: Parameter `ctx->stack.depth`
  495.   #endif                          /* BN_RECURSION */
  496.   
  497. > int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
  498.   {
  499.       int ret = bn_mul_fixed_top(r, a, b, ctx);

crypto/bn/bn_mul.c:499:15: Call
  497.   int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
  498.   {
  499.       int ret = bn_mul_fixed_top(r, a, b, ctx);
                       ^
  500.   
  501.       bn_correct_top(r);

crypto/bn/bn_mul.c:507:1: Parameter `ctx->stack.depth`
    505.   }
    506.   
    507. > int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
    508.   {
    509.       int ret = 0;

crypto/rsa/rsa_ossl.c:888:18: Call
886.       if (rsa->e && rsa->n) {
887.           if (rsa->meth->bn_mod_exp == BN_mod_exp_mont) {
888.               if (!BN_mod_exp_mont(vrfy, r0, rsa->e, rsa->n, ctx,
                        ^
889.                                    rsa->_method_mod_n))
890.                   goto err;

crypto/bn/bn_exp.c:296:1: Parameter `ctx->stack.depth`
  294.   }
  295.   
  296. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  297.                       const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  298.   {

crypto/bn/bn_exp.c:310:16: Call
  308.               || BN_get_flags(a, BN_FLG_CONSTTIME) != 0
  309.               || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {
  310.           return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);
                        ^
  311.       }
  312.   

crypto/bn/bn_exp.c:592:1: Parameter `ctx->stack.depth`
    590.    * http://www.daemonology.net/hyperthreading-considered-harmful/)
    591.    */
    592. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
    593.                                 const BIGNUM *m, BN_CTX *ctx,
    594.                                 BN_MONT_CTX *in_mont)

crypto/bn/bn_exp.c:636:5: Call
    634.       }
    635.   
    636.       BN_CTX_start(ctx);
               ^
    637.   
    638.       /*

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
      169.   }
      170.   
      171. > void BN_CTX_start(BN_CTX *ctx)
      172.   {
      173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_exp.c:647:14: Call
    645.           if ((mont = BN_MONT_CTX_new()) == NULL)
    646.               goto err;
    647.           if (!BN_MONT_CTX_set(mont, m, ctx))
                        ^
    648.               goto err;
    649.       }

crypto/bn/bn_mont.c:263:1: Parameter `ctx->stack.depth`
      261.   }
      262.   
      263. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      264.   {
      265.       int i, ret = 0;

crypto/bn/bn_mont.c:271:5: Call
      269.           return 0;
      270.   
      271.       BN_CTX_start(ctx);
                 ^
      272.       if ((Ri = BN_CTX_get(ctx)) == NULL)
      273.           goto err;

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
        169.   }
        170.   
        171. > void BN_CTX_start(BN_CTX *ctx)
        172.   {
        173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_mont.c:272:15: Call
      270.   
      271.       BN_CTX_start(ctx);
      272.       if ((Ri = BN_CTX_get(ctx)) == NULL)
                           ^
      273.           goto err;
      274.       R = &(mont->RR);            /* grab RR as a temp */

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
        200.   }
        201.   
        202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
        203.   {
        204.       BIGNUM *ret;

crypto/bn/bn_mont.c:351:19: Call
      349.           if (BN_is_one(&tmod))
      350.               BN_zero(Ri);
      351.           else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
                               ^
      352.               goto err;
      353.           if (!BN_lshift(Ri, Ri, BN_BITS2))

crypto/bn/bn_gcd.c:124:1: Parameter `ctx->stack.depth`
        122.                                           BN_CTX *ctx);
        123.   
        124. > BIGNUM *BN_mod_inverse(BIGNUM *in,
        125.                          const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
        126.   {

crypto/bn/bn_gcd.c:129:10: Call
        127.       BIGNUM *rv;
        128.       int noinv;
        129.       rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);
                        ^
        130.       if (noinv)
        131.           BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);

crypto/bn/bn_gcd.c:135:1: Parameter `ctx->stack.depth`
          133.   }
          134.   
          135. > BIGNUM *int_bn_mod_inverse(BIGNUM *in,
          136.                              const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,
          137.                              int *pnoinv)

crypto/bn/bn_gcd.c:155:16: Call
          153.       if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)
          154.           || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {
          155.           return BN_mod_inverse_no_branch(in, a, n, ctx);
                                ^
          156.       }
          157.   

crypto/bn/bn_gcd.c:458:1: Parameter `ctx->stack.depth`
            456.    * not contain branches that may leak sensitive information.
            457.    */
            458. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
            459.                                           const BIGNUM *a, const BIGNUM *n,
            460.                                           BN_CTX *ctx)

crypto/bn/bn_gcd.c:469:5: Call
            467.       bn_check_top(n);
            468.   
            469.       BN_CTX_start(ctx);
                       ^
            470.       A = BN_CTX_get(ctx);
            471.       B = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
              169.   }
              170.   
              171. > void BN_CTX_start(BN_CTX *ctx)
              172.   {
              173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_gcd.c:470:9: Call
            468.   
            469.       BN_CTX_start(ctx);
            470.       A = BN_CTX_get(ctx);
                           ^
            471.       B = BN_CTX_get(ctx);
            472.       X = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
              200.   }
              201.   
              202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
              203.   {
              204.       BIGNUM *ret;

crypto/bn/bn_gcd.c:471:9: Call
            469.       BN_CTX_start(ctx);
            470.       A = BN_CTX_get(ctx);
            471.       B = BN_CTX_get(ctx);
                           ^
            472.       X = BN_CTX_get(ctx);
            473.       D = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
              200.   }
              201.   
              202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
              203.   {
              204.       BIGNUM *ret;

crypto/bn/bn_gcd.c:472:9: Call
            470.       A = BN_CTX_get(ctx);
            471.       B = BN_CTX_get(ctx);
            472.       X = BN_CTX_get(ctx);
                           ^
            473.       D = BN_CTX_get(ctx);
            474.       M = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
              200.   }
              201.   
              202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
              203.   {
              204.       BIGNUM *ret;

crypto/bn/bn_gcd.c:473:9: Call
            471.       B = BN_CTX_get(ctx);
            472.       X = BN_CTX_get(ctx);
            473.       D = BN_CTX_get(ctx);
                           ^
            474.       M = BN_CTX_get(ctx);
            475.       Y = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
              200.   }
              201.   
              202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
              203.   {
              204.       BIGNUM *ret;

crypto/bn/bn_gcd.c:474:9: Call
            472.       X = BN_CTX_get(ctx);
            473.       D = BN_CTX_get(ctx);
            474.       M = BN_CTX_get(ctx);
                           ^
            475.       Y = BN_CTX_get(ctx);
            476.       T = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
              200.   }
              201.   
              202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
              203.   {
              204.       BIGNUM *ret;

crypto/bn/bn_gcd.c:475:9: Call
            473.       D = BN_CTX_get(ctx);
            474.       M = BN_CTX_get(ctx);
            475.       Y = BN_CTX_get(ctx);
                           ^
            476.       T = BN_CTX_get(ctx);
            477.       if (T == NULL)

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
              200.   }
              201.   
              202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
              203.   {
              204.       BIGNUM *ret;

crypto/bn/bn_gcd.c:476:9: Call
            474.       M = BN_CTX_get(ctx);
            475.       Y = BN_CTX_get(ctx);
            476.       T = BN_CTX_get(ctx);
                           ^
            477.       if (T == NULL)
            478.           goto err;

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
              200.   }
              201.   
              202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
              203.   {
              204.       BIGNUM *ret;

crypto/bn/bn_gcd.c:504:18: Call
            502.               bn_init(&local_B);
            503.               BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);
            504.               if (!BN_nnmod(B, &local_B, A, ctx))
                                    ^
            505.                   goto err;
            506.               /* Ensure local_B goes out of scope before any further use of B */

crypto/bn/bn_mod.c:13:1: Parameter `ctx->stack.depth`
              11.   #include "bn_lcl.h"
              12.   
              13. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
              14.   {
              15.       /*

crypto/bn/bn_mod.c:20:11: Call
              18.        */
              19.   
              20.       if (!(BN_mod(r, m, d, ctx)))
                              ^
              21.           return 0;
              22.       if (!r->neg)

crypto/bn/bn_div.c:209:1: Parameter `ctx->stack.depth`
                207.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
                208.    */
                209. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
                210.              BN_CTX *ctx)
                211.   {

crypto/bn/bn_div.c:229:11: Call
                227.       }
                228.   
                229.       ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);
                                 ^
                230.   
                231.       if (ret) {

crypto/bn/bn_div.c:280:5: Call
                  278.       bn_check_top(rm);
                  279.   
                  280.       BN_CTX_start(ctx);
                             ^
                  281.       res = (dv == NULL) ? BN_CTX_get(ctx) : dv;
                  282.       tmp = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:171:1: Parameter `*ctx->stack.indexes`
                    169.   }
                    170.   
                    171. > void BN_CTX_start(BN_CTX *ctx)
                    172.   {
                    173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_div.c:450:5: Call
                  448.       if (rm != NULL)
                  449.           bn_rshift_fixed_top(rm, snum, norm_shift);
                  450.       BN_CTX_end(ctx);
                             ^
                  451.       return 1;
                  452.    err:

crypto/bn/bn_ctx.c:185:1: Parameter `*ctx->stack.indexes`
                    183.   }
                    184.   
                    185. > void BN_CTX_end(BN_CTX *ctx)
                    186.   {
                    187.       CTXDBG("ENTER BN_CTX_end()", ctx);

crypto/bn/bn_ctx.c:191:27: Call
                    189.           ctx->err_stack--;
                    190.       else {
                    191.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                                     ^
                    192.           /* Does this stack frame have anything to release? */
                    193.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:266:1: <Offset trace>
264.   }
265.   
266. > static unsigned int BN_STACK_pop(BN_STACK *st)
267.   {
268.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:266:1: Parameter `st->depth`
                      264.   }
                      265.   
                      266. > static unsigned int BN_STACK_pop(BN_STACK *st)
                      267.   {
                      268.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:266:1: <Length trace>
264.   }
265.   
266. > static unsigned int BN_STACK_pop(BN_STACK *st)
267.   {
268.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:266:1: Parameter `*st->indexes`
                      264.   }
                      265.   
                      266. > static unsigned int BN_STACK_pop(BN_STACK *st)
                      267.   {
                      268.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:268:12: Array access: Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_exp_mont` 
                      266.   static unsigned int BN_STACK_pop(BN_STACK *st)
                      267.   {
                      268.       return st->indexes[--(st->depth)];
                                        ^
                      269.   }
                      270.   
