diff options
Diffstat (limited to 'kernel/events')
| -rw-r--r-- | kernel/events/core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 95d806bba654..b1e1c5f0c7ba 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -11712,6 +11712,15 @@ static int __perf_event_set_bpf_prog(struct perf_event *event, /* only uprobe programs are allowed to be sleepable */ return -EINVAL; + if (prog->type == BPF_PROG_TYPE_TRACEPOINT && prog->sleepable) { + /* + * Sleepable tracepoint programs can only attach to faultable + * tracepoints. Currently only syscall tracepoints are faultable. + */ + if (!is_syscall_tp) + return -EINVAL; + } + /* Kprobe override only works for kprobes, not uprobes. */ if (prog->kprobe_override && !is_kprobe) return -EINVAL; |