[tcpdump-workers] on compiler optimizations and security

List, this paper explains how a compiler can eliminate from the final binary the pointer safety checks that are present in the source code: http://pdos.csail.mit.edu/~xi/papers/stack-sosp13.pdf The very first example it gives is equivalent to the contents of TTEST2 macro widely used in the sou

Re: [tcpdump-workers] [libpcap] OR'ing vlans impossible in tcpdump filter (issue #158)

Paul Pearce wrote: > A more basic follow on question relating to vlan filtering. > > As of Jan 2013, vlan filtering under recent linux kernels was > completely broken (background: they started striping the vlan tags on > inbound packets and moving it into metadata, and the bpf emitted code > did