diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-05-27 09:22:11 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-05-27 09:55:10 -0700 |
| commit | 5ada57a9a6b0be0e6dfcbd4afa519b0347fd5649 (patch) | |
| tree | f82f466df9272bb0c385320b25adc51c45309f84 /kernel/bpf/btf.c | |
| parent | 59c56342459a483d5e563ed8b5fdb77ab7622a73 (diff) | |
| parent | d7c5303fbc8ac874ae3e597a5a0d3707dc0230b4 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
cdc-wdm: s/kill_urbs/poison_urbs/ to fix build
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/bpf/btf.c')
| -rw-r--r-- | kernel/bpf/btf.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 85716327c375..3925592d62e3 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -5206,6 +5206,12 @@ int btf_distill_func_proto(struct bpf_verifier_log *log, m->ret_size = ret; for (i = 0; i < nargs; i++) { + if (i == nargs - 1 && args[i].type == 0) { + bpf_log(log, + "The function %s with variable args is unsupported.\n", + tname); + return -EINVAL; + } ret = __get_type_size(btf, args[i].type, &t); if (ret < 0) { bpf_log(log, @@ -5213,6 +5219,12 @@ int btf_distill_func_proto(struct bpf_verifier_log *log, tname, i, btf_kind_str[BTF_INFO_KIND(t->info)]); return -EINVAL; } + if (ret == 0) { + bpf_log(log, + "The function %s has malformed void argument.\n", + tname); + return -EINVAL; + } m->arg_size[i] = ret; } m->nr_args = nargs; |