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| author | Wolfram Sang <wsa@the-dreams.de> | 2018-10-11 23:07:30 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2018-10-11 23:07:30 +0200 |
| commit | 90fb814b6c025da45f71db1703cffe3fe87f575c (patch) | |
| tree | 5fd739d407654df6f9d6e82900a45e027dd8b9f0 /kernel/bpf/local_storage.c | |
| parent | b30f2f65568f840e5ca522d98ba2ad73b8f59cde (diff) | |
| parent | 0238df646e6224016a45505d2c111a24669ebe21 (diff) | |
Merge tag 'v4.19-rc7' into i2c/for-4.20
This is the 4.19-rc7 release
Diffstat (limited to 'kernel/bpf/local_storage.c')
| -rw-r--r-- | kernel/bpf/local_storage.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/bpf/local_storage.c b/kernel/bpf/local_storage.c index 22ad967d1e5f..830d7f095748 100644 --- a/kernel/bpf/local_storage.c +++ b/kernel/bpf/local_storage.c @@ -129,7 +129,7 @@ static int cgroup_storage_update_elem(struct bpf_map *map, void *_key, struct bpf_cgroup_storage *storage; struct bpf_storage_buffer *new; - if (flags & BPF_NOEXIST) + if (flags != BPF_ANY && flags != BPF_EXIST) return -EINVAL; storage = cgroup_storage_lookup((struct bpf_cgroup_storage_map *)map, @@ -195,6 +195,9 @@ static struct bpf_map *cgroup_storage_map_alloc(union bpf_attr *attr) if (attr->key_size != sizeof(struct bpf_cgroup_storage_key)) return ERR_PTR(-EINVAL); + if (attr->value_size == 0) + return ERR_PTR(-EINVAL); + if (attr->value_size > PAGE_SIZE) return ERR_PTR(-E2BIG); |