crypto/bn/bn_x931p.c:238: error: BUFFER_OVERRUN_L3
  Offset: [-1, +oo] Size: [1, +oo] by call to `BN_CTX_end`.
Showing all 10 steps of the trace


crypto/bn/bn_x931p.c:220:5: Call
218.       int ret = 0;
219.   
220.       BN_CTX_start(ctx);
           ^
221.       if (Xp1 == NULL)
222.           Xp1 = BN_CTX_get(ctx);

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_x931p.c:238:5: Call
236.   
237.    error:
238.       BN_CTX_end(ctx);
           ^
239.   
240.       return ret;

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:271:1: <Offset trace>
269.   }
270.   
271. > static unsigned int BN_STACK_pop(BN_STACK *st)
272.   {
273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:271:1: Parameter `st->depth`
    269.   }
    270.   
    271. > static unsigned int BN_STACK_pop(BN_STACK *st)
    272.   {
    273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:271:1: <Length trace>
269.   }
270.   
271. > static unsigned int BN_STACK_pop(BN_STACK *st)
272.   {
273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:271:1: Parameter `*st->indexes`
    269.   }
    270.   
    271. > static unsigned int BN_STACK_pop(BN_STACK *st)
    272.   {
    273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:273:12: Array access: Offset: [-1, +oo] Size: [1, +oo] by call to `BN_CTX_end` 
    271.   static unsigned int BN_STACK_pop(BN_STACK *st)
    272.   {
    273.       return st->indexes[--(st->depth)];
                      ^
    274.   }
    275.   

static unsigned int BN_STACK_pop(BN_STACK *st)
{
    return st->indexes[--(st->depth)];
}
['int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,\n                              BIGNUM *Xp1, BIGNUM *Xp2,\n                              const BIGNUM *Xp,\n                              const BIGNUM *e, BN_CTX *ctx, BN_GENCB *cb)\n{\n    int ret = 0;\n    BN_CTX_start(ctx);\n    if (Xp1 == NULL)\n        Xp1 = BN_CTX_get(ctx);\n    if (Xp2 == NULL)\n        Xp2 = BN_CTX_get(ctx);\n    if (Xp1 == NULL || Xp2 == NULL)\n        goto error;\n    if (!BN_rand(Xp1, 101, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))\n        goto error;\n    if (!BN_rand(Xp2, 101, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))\n        goto error;\n    if (!BN_X931_derive_prime_ex(p, p1, p2, Xp, Xp1, Xp2, e, ctx, cb))\n        goto error;\n    ret = 1;\n error:\n    BN_CTX_end(ctx);\n    return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n    CTXDBG_ENTRY("BN_CTX_start", ctx);\n    if (ctx->err_stack || ctx->too_many)\n        ctx->err_stack++;\n    else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n        BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n        ctx->err_stack++;\n    }\n    CTXDBG_EXIT(ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n    CTXDBG_ENTRY("BN_CTX_end", ctx);\n    if (ctx->err_stack)\n        ctx->err_stack--;\n    else {\n        unsigned int fp = BN_STACK_pop(&ctx->stack);\n        if (fp < ctx->used)\n            BN_POOL_release(&ctx->pool, ctx->used - fp);\n        ctx->used = fp;\n        ctx->too_many = 0;\n    }\n    CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n    return st->indexes[--(st->depth)];\n}']