diff options
| author | David Howells <dhowells@redhat.com> | 2019-08-20 02:18:00 +0200 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2019-08-20 06:54:16 +0200 |
| commit | b0c8fdc7fdb77586c3d1937050925b960743306e (patch) | |
| tree | bdd70cb78f6630c2e98a06aaae45600fcbb03f89 /include | |
| parent | bpf: Restrict bpf when kernel lockdown is in confidentiality mode (diff) | |
| download | linux-b0c8fdc7fdb77586c3d1937050925b960743306e.tar.xz linux-b0c8fdc7fdb77586c3d1937050925b960743306e.zip | |
lockdown: Lock down perf when in confidentiality mode
Disallow the use of certain perf facilities that might allow userspace to
access kernel data.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/security.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/security.h b/include/linux/security.h index e604f4c67f03..b94f1e697537 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -119,6 +119,7 @@ enum lockdown_reason { LOCKDOWN_KCORE, LOCKDOWN_KPROBES, LOCKDOWN_BPF_READ, + LOCKDOWN_PERF, LOCKDOWN_CONFIDENTIALITY_MAX, }; |