test/bntest.c:1486: error: BUFFER_OVERRUN_L3
  Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_mul`.
Showing all 11 steps of the trace


test/bntest.c:1486:10: Call
1484.           goto err;
1485.   
1486.       if (!TEST_true(BN_mod_mul(ret, a, b, m, ctx))
                 ^
1487.               || !equalBN("A * B (mod M)", mod_mul, ret))
1488.           goto err;

crypto/bn/bn_mod.c:203:5: Call
  201.       bn_check_top(m);
  202.   
  203.       BN_CTX_start(ctx);
             ^
  204.       if ((t = BN_CTX_get(ctx)) == NULL)
  205.           goto err;

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_mod.c:218:5: Call
  216.       ret = 1;
  217.    err:
  218.       BN_CTX_end(ctx);
             ^
  219.       return ret;
  220.   }

crypto/bn/bn_ctx.c:185:1: Parameter `*ctx->stack.indexes`
    183.   }
    184.   
    185. > void BN_CTX_end(BN_CTX *ctx)
    186.   {
    187.       if (ctx == NULL)

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

crypto/bn/bn_ctx.c:268:1: <Offset trace>
266.   }
267.   
268. > static unsigned int BN_STACK_pop(BN_STACK *st)
269.   {
270.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:268:1: Parameter `st->depth`
      266.   }
      267.   
      268. > static unsigned int BN_STACK_pop(BN_STACK *st)
      269.   {
      270.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:268:1: <Length trace>
266.   }
267.   
268. > static unsigned int BN_STACK_pop(BN_STACK *st)
269.   {
270.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:268:1: Parameter `*st->indexes`
      266.   }
      267.   
      268. > static unsigned int BN_STACK_pop(BN_STACK *st)
      269.   {
      270.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:270:12: Array access: Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_mul` 
      268.   static unsigned int BN_STACK_pop(BN_STACK *st)
      269.   {
      270.       return st->indexes[--(st->depth)];
                        ^
      271.   }
      272.   
