diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 047ac4b4703b..3c5a79f78bc5 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -9913,6 +9913,9 @@ static int check_btf_line(struct bpf_verifier_env *env, 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 || rec_size > MAX_LINEINFO_REC_SIZE ||