test/bntest.c:1427: 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:1427:10: Call
1425.           goto err;
1426.   
1427.       if (!TEST_true(BN_mod_mul(ret, a, b, m, ctx))
                 ^
1428.               || !equalBN("A * B (mod M)", mod_mul, ret))
1429.           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:181:1: Parameter `*ctx->stack.indexes`
    179.   }
    180.   
    181. > void BN_CTX_start(BN_CTX *ctx)
    182.   {
    183.       CTXDBG_ENTRY("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:195:1: Parameter `*ctx->stack.indexes`
    193.   }
    194.   
    195. > void BN_CTX_end(BN_CTX *ctx)
    196.   {
    197.       CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:201:27: Call
    199.           ctx->err_stack--;
    200.       else {
    201.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                     ^
    202.           /* Does this stack frame have anything to release? */
    203.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:274:1: <Offset trace>
272.   }
273.   
274. > static unsigned int BN_STACK_pop(BN_STACK *st)
275.   {
276.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:274:1: Parameter `st->depth`
      272.   }
      273.   
      274. > static unsigned int BN_STACK_pop(BN_STACK *st)
      275.   {
      276.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:274:1: <Length trace>
272.   }
273.   
274. > static unsigned int BN_STACK_pop(BN_STACK *st)
275.   {
276.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:274:1: Parameter `*st->indexes`
      272.   }
      273.   
      274. > static unsigned int BN_STACK_pop(BN_STACK *st)
      275.   {
      276.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:276:12: Array access: Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_mul` 
      274.   static unsigned int BN_STACK_pop(BN_STACK *st)
      275.   {
      276.       return st->indexes[--(st->depth)];
                        ^
      277.   }
      278.   
