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authorKees Cook <keescook@chromium.org>2012-08-09 19:01:26 -0700
committerJames Morris <james.l.morris@oracle.com>2012-08-10 19:58:07 +1000
commit9d8dad742ad1c74d7e7210ee05d0b44961d5ea16 (patch)
treeb1e738bf17987552cdace2695d8b77328dc29bcf /scripts
parentf4ba394c1b02e7fc2179fda8d3941a5b3b65efb6 (diff)
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Yama: higher restrictions should block PTRACE_TRACEME
The higher ptrace restriction levels should be blocking even PTRACE_TRACEME requests. The comments in the LSM documentation are misleading about when the checks happen (the parent does not go through security_ptrace_access_check() on a PTRACE_TRACEME call). Signed-off-by: Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org # 3.5.x and later Signed-off-by: James Morris <james.l.morris@oracle.com>
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