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| author | Alexei Starovoitov <ast@fb.com> | 2016-06-15 18:25:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-15 23:37:54 -0700 |
| commit | ad572d174787daa59e24b8b5c83028c09cdb5ddb (patch) | |
| tree | 742f85968aea27bc975164e839dbc00312d3184a /kernel/groups.c | |
| parent | 19de99f70b87fcc3338da52a89c439b088cbff71 (diff) | |
| download | linux-ad572d174787daa59e24b8b5c83028c09cdb5ddb.tar.bz2 | |
bpf, trace: check event type in bpf_perf_event_read
similar to bpf_perf_event_output() the bpf_perf_event_read() helper
needs to check the type of the perf_event before reading the counter.
Fixes: a43eec304259 ("bpf: introduce bpf_perf_event_output() helper")
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/groups.c')
0 files changed, 0 insertions, 0 deletions