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| author | Ingo Molnar <mingo@kernel.org> | 2018-10-23 12:30:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-10-23 12:30:19 +0200 |
| commit | dda93b45389f025fd3422d22cc31cc1ea6040305 (patch) | |
| tree | 44a856744843e24ed1baf6ca4edb1be04809a606 /kernel/bpf/local_storage.c | |
| parent | 2e62024c265aa69315ed02835623740030435380 (diff) | |
| parent | b61b8bba18fe2b63d38fdaf9b83de25e2d787dfe (diff) | |
Merge branch 'x86/cache' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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); |