Re: [PATCH bpf-next v1] bpftool: Skip prog/map that disappears while looking it up by name

[Jiayuan Chen]

On 7/20/26 4:02 PM, bot+bpf-ci@xxxxxxxxxx wrote:
> > commit 084a91fc9c087ee9f5a2163da8368590cad6f121
> > Author: Jiayuan Chen <jiayuan.chen@xxxxxxxxx>
> >
> >      bpftool: Skip prog/map that disappears while looking it up by name
> >
> >      Looking up a prog or map by name walks the whole id space. There is a
> >      window between bpf_prog_get_next_id()/bpf_map_get_next_id() and getting
> >      an fd for that id in which an unrelated object can be freed, and the
> >      lookup then fails with ENOENT and aborts the whole command.
> >
> >      Skip such ids and keep walking, the same way do_show() already does.
> >
> >      Signed-off-by: Jiayuan Chen <jiayuan.chen@xxxxxxxxx>
> This looks like a bug fix for the prog/map lookup functions. Should this
> include:
>
>    Fixes: a479b8ce4ed1 ("tools/bpftool: Move map/prog parsing logic into common")


It's not worth backporting it.

People can always upgrade bpftool to latest version.