diff options
| -rw-r--r-- | include/linux/bpf.h | 1 | ||||
| -rw-r--r-- | kernel/bpf/core.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 5f01845627d4..142a21f019ff 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -228,6 +228,7 @@ struct bpf_map_owner { bool xdp_has_frags; u64 storage_cookie[MAX_BPF_CGROUP_STORAGE_TYPE]; const struct btf_type *attach_func_proto; + enum bpf_attach_type expected_attach_type; }; struct bpf_map { diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 3136af6559a8..6924f86a8a3f 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -2137,6 +2137,7 @@ bool bpf_prog_map_compatible(struct bpf_map *map, map->owner->type = prog_type; map->owner->jited = fp->jited; map->owner->xdp_has_frags = aux->xdp_has_frags; + map->owner->expected_attach_type = fp->expected_attach_type; map->owner->attach_func_proto = aux->attach_func_proto; for_each_cgroup_storage_type(i) { map->owner->storage_cookie[i] = @@ -2148,6 +2149,10 @@ bool bpf_prog_map_compatible(struct bpf_map *map, ret = map->owner->type == prog_type && map->owner->jited == fp->jited && map->owner->xdp_has_frags == aux->xdp_has_frags; + if (ret && + map->map_type == BPF_MAP_TYPE_PROG_ARRAY && + map->owner->expected_attach_type != fp->expected_attach_type) + ret = false; for_each_cgroup_storage_type(i) { if (!ret) break; |