diff options
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/arraymap.c | 2 | ||||
| -rw-r--r-- | kernel/bpf/verifier.c | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index f2d9e698c753..e3cfe46b074f 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -295,6 +295,8 @@ static void *perf_event_fd_array_get_ptr(struct bpf_map *map, int fd) return (void *)attr; if (attr->type != PERF_TYPE_RAW && + !(attr->type == PERF_TYPE_SOFTWARE && + attr->config == PERF_COUNT_SW_BPF_OUTPUT) && attr->type != PERF_TYPE_HARDWARE) { perf_event_release_kernel(event); return ERR_PTR(-EINVAL); diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 1d6b97be79e1..b56cf51f8d42 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -245,6 +245,7 @@ static const struct { } func_limit[] = { {BPF_MAP_TYPE_PROG_ARRAY, BPF_FUNC_tail_call}, {BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_read}, + {BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_output}, }; static void print_verifier_state(struct verifier_env *env) @@ -910,7 +911,7 @@ static int check_map_func_compatibility(struct bpf_map *map, int func_id) * don't allow any other map type to be passed into * the special func; */ - if (bool_map != bool_func) + if (bool_func && bool_map != bool_func) return -EINVAL; } |