On Thu, Oct 29, 2020 at 1:38 PM Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote: > > On Thu, Oct 29, 2020 at 1:16 PM Florian Lehner <dev@xxxxxxxxxxx> wrote: > > > > Currently key_size of hashtab is limited to MAX_BPF_STACK. > > As the key of hashtab can also be a value from a per cpu map it can be > > larger than MAX_BPF_STACK. > > > > The use-case for this patch originates to implement allow/disallow > > lists for files and file paths. The maximum length of file paths is > > defined by PATH_MAX with 4096 chars including nul. > > This limit exceeds MAX_BPF_STACK. > > > > Changelog: > > > > v5: > > - Fix cast overflow > > > > v4: > > - Utilize BPF skeleton in tests > > - Rebase > > > > v3: > > - Rebase > > > > v2: > > - Add a test for bpf side > > > > Signed-off-by: Florian Lehner <dev@xxxxxxxxxxx> > > Acked-by: John Fastabend <john.fastabend@xxxxxxxxx> > > --- > > LGTM. > Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx> Applied. Sorry for the delay. The patch got lost in patchwork.
