The path can only be so 'hot'... any given cryptographic operation using the artifacts maintained by this `keyring' system will be many orders of magnitude grea

The path can only be so 'hot'... any given cryptographic operation using the artifacts maintained by this `keyring' system will be many orders of magnitude greater than an overflow check on allocation, hardware support or not. I think we're left to conclude this is just another instance of naive C programming.