Re: [PATCH bpf-next] bpf: lsm: Make BPF_LSM depend on BPF_EVENTS

From: Daniel Borkmann
Date: Mon Mar 30 2020 - 17:00:18 EST


On 3/30/20 10:40 PM, KP Singh wrote:
From: KP Singh <kpsingh@xxxxxxxxxx>

LSM and tracing programs share their helpers with bpf_tracing_func_proto
which is only defined (in bpf_trace.c) when BPF_EVENTS is enabled.

Instead of adding __weak symbol, make BPF_LSM depend on
BPF_EVENTS so that both tracing and LSM programs can actually share
helpers.

Signed-off-by: KP Singh <kpsingh@xxxxxxxxxx>
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Fixes: fc611f47f218 ("bpf: Introduce BPF_PROG_TYPE_LSM")

Applied, thanks!