Compiler optimisation leads to SEGFAULT

Affected versions of the pnet crate were optimized out by compiler, which caused dereference of uninitialized file descriptor which caused segfault...

Compiler optimisation for next_with_timeout in pnet::transport::IcmpTransportChannelIterator flaws to SEGFAULT

Affected versions of this crate were optimized out by compiler, which caused dereference of uninitialized file descriptor which caused segfault...