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| author | Alexey Budankov <alexey.budankov@linux.intel.com> | 2020-08-05 10:56:56 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-08-06 15:03:20 +0200 |
| commit | 45fd22da97c6125d8d0d35bd1791e7c0c4175279 (patch) | |
| tree | 5329710d5f59f32fbe1fdc2edfaa083c71a7a13f /certs | |
| parent | 2324d50d051ec0f14a548e78554fb02513d6dcef (diff) | |
| download | linux-45fd22da97c6125d8d0d35bd1791e7c0c4175279.tar.bz2 | |
perf/core: Take over CAP_SYS_PTRACE creds to CAP_PERFMON capability
Open access to per-process monitoring for CAP_PERFMON only
privileged processes [1]. Extend ptrace_may_access() check
in perf_events subsystem with perfmon_capable() to simplify
user experience and make monitoring more secure by reducing
attack surface.
[1] https://lore.kernel.org/lkml/7776fa40-6c65-2aa6-1322-eb3a01201000@linux.intel.com/
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/6e8392ff-4732-0012-2949-e1587709f0f6@linux.intel.com
Diffstat (limited to 'certs')
0 files changed, 0 insertions, 0 deletions