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* sys/linux: improve descriptions of bpf tracing (#2076)bobogei811232020-09-091-31/+0
| | | | | | | - Rename bpf_lsm to bpf_trace and put all bpf program types that use BPF_RAW_TRACEPOINT_OPEN here. - Add descriptions for types RAW_TRACEPOINT(_WRITABLE), BPF_TRACING and BPF_EXT. - Add the hook names for RAW_TRACEPOINT(_WRITABLE).
* sys/linux: make bpf_lsm_btf_id optional (#2054)bobogei811232020-08-241-1/+4
| | | | | | | | | | | Pull request #1971 add the resource bpf_lsm_btf_id and make that a required resource for bpf$BPF_LSM_PROG_LOAD. However, we need #2035 merged to get a bpf_lsm_btf_id, and the pull request is currently blocked by a pahole issue. Thus, bpf$BPF_LSM_PROG_LOAD will be disabled for now. This pull request makes bpf_lsm_btf_id optional for bpf$BPF_LSM_PROG_LOAD, so we can test this syscall before the issue is resolved.
* sys/linux: add descriptions for BPF LSMCheng-Min Chiang2020-08-071-0/+28
This commit includes the following changes: * executor: add a new syz_btf_id_by_name psuedo-syscall * sys/linux: add descriptions for BPF LSM subsystem * sys/linux: add instructions on how to dump vmlinux and install bpftool * sys/linux/test: add tests for the new psuedo-syscall * pkg/host: add support detection for the new psuedo-syscall * pkg/runtest: skip the coverage test when invoking the new psuedo-syscall Update #533.