Re: [PATCH net-next 3/6] bpf: perf_event progs should only use preallocated maps
From: Daniel Borkmann <daniel@iogearbox.net>
Date: 2016-08-30 00:30:35
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On 08/27/2016 04:31 AM, Alexei Starovoitov wrote:
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>