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authorTycho Andersen <tycho@docker.com>2017-10-11 09:39:21 -0600
committerKees Cook <keescook@chromium.org>2017-11-28 15:41:01 -0800
commit26500475ac1b499d8636ff281311d633909f5d20 (patch)
treee5b9fbb6661848e22324fc70678bbd432bae2688 /block
parentf06eae831f0c1fc5b982ea200daf552810e1dd55 (diff)
ptrace, seccomp: add support for retrieving seccomp metadata
With the new SECCOMP_FILTER_FLAG_LOG, we need to be able to extract these flags for checkpoint restore, since they describe the state of a filter. So, let's add PTRACE_SECCOMP_GET_METADATA, similar to ..._GET_FILTER, which returns the metadata of the nth filter (right now, just the flags). Hopefully this will be future proof, and new per-filter metadata can be added to this struct. Signed-off-by: Tycho Andersen <tycho@docker.com> CC: Kees Cook <keescook@chromium.org> CC: Andy Lutomirski <luto@amacapital.net> CC: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Kees Cook <keescook@chromium.org>
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