diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 9d94ac6ff50c4..592b9b68cbd93 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -9641,6 +9641,8 @@ static int check_btf_line(struct bpf_verifier_env *env, nr_linfo = attr->line_info_cnt; if (!nr_linfo) return 0; + if (nr_linfo > INT_MAX / sizeof(struct bpf_line_info)) + return -EINVAL; rec_size = attr->line_info_rec_size; if (rec_size < MIN_BPF_LINEINFO_SIZE ||