diff options
| author | Alexei Starovoitov <ast@plumgrid.com> | 2014-09-26 00:17:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-26 15:05:15 -0400 |
| commit | 475fb78fbf48592ce541627c60a7b331060e31f5 (patch) | |
| tree | 0abd11c01180004027ec187475ab48db9ac054d5 /lib | |
| parent | 0246e64d9a5fcd4805198de59b9b5cf1f974eb41 (diff) | |
bpf: verifier (add branch/goto checks)
check that control flow graph of eBPF program is a directed acyclic graph
check_cfg() does:
- detect loops
- detect unreachable instructions
- check that program terminates with BPF_EXIT insn
- check that all branches are within program boundary
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions