diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-02 23:22:20 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-02 23:22:20 -0300 |
| commit | 5c545e1fb127a4b11ddc5f1a5ed066b853dd1a1a (patch) | |
| tree | d4cd913bc79d37d32756a9bffbeedabf93e32579 /net/core/filter.c | |
| parent | b4b7ff4b08e691656c9d77c758fc355833128ac0 (diff) | |
Linux-libre 4.4.1-gnupck-4.4.1-gnu
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 672eefbfb..37157c4c1 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -777,6 +777,11 @@ static int bpf_check_classic(const struct sock_filter *filter, if (ftest->k == 0) return -EINVAL; break; + case BPF_ALU | BPF_LSH | BPF_K: + case BPF_ALU | BPF_RSH | BPF_K: + if (ftest->k >= 32) + return -EINVAL; + break; case BPF_LD | BPF_MEM: case BPF_LDX | BPF_MEM: case BPF_ST: |