Commit a4e95fc2 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

perf_counter: Require CAP_SYS_ADMIN for raw tracepoint data

Raw tracepoint data contains various kernel internals and
data from other users, so restrict this to CAP_SYS_ADMIN.
Signed-off-by: default avatarPeter Zijlstra <>
Acked-by: default avatarFrederic Weisbecker <>
Cc: Arnaldo Carvalho de Melo <>
Cc: Mike Galbraith <>
Cc: Paul Mackerras <>
LKML-Reference: <1249896452.17467.75.camel@twins>
Signed-off-by: default avatarIngo Molnar <>
parent a044560c
......@@ -3787,6 +3787,14 @@ static void tp_perf_counter_destroy(struct perf_counter *counter)
static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
* Raw tracepoint data is a severe data leak, only allow root to
* have these.
if ((counter->attr.sample_type & PERF_SAMPLE_RAW) &&
return ERR_PTR(-EPERM);
if (ftrace_profile_enable(counter->attr.config))
return NULL;
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