| commit | fdc15d388d600d5a1599e14c700af105a5b60761 | [log] [tgz] |
|---|---|---|
| author | Alexei Starovoitov <ast@fb.com> | Thu Sep 01 18:37:23 2016 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Fri Sep 02 10:46:44 2016 -0700 |
| tree | 6c197edb2fc2040e8069ff372baebcda5770ba25 | |
| parent | 0515e5999a466dfe6e1924f460da599bb6821487 [diff] |
bpf: perf_event progs should only use preallocated maps Make sure that BPF_PROG_TYPE_PERF_EVENT programs only use preallocated hash maps, since doing memory allocation in overflow_handler can crash depending on where nmi got triggered. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>