Re: [PATCH bpf-next v5 0/3] bpftool: Fail map dump for maps that can't be iterated

[patchwork-bot+netdevbpf@kernel.org]

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Fri, 16 Oct 2026 22:47:55 +0300 you wrote:
> "bpftool map dump" treats only ENOENT from bpf_map_get_next_key() as the
> end of the map. Map types that can't be iterated (local storage, ringbuf,
> bloom filter, arena, queue, stack) fail on the first key, and bpftool
> prints an empty dump, "[]" or "Found 0 elements", with only a non-zero
> exit status.
> 
> Patch 1 adds a helper that prints ENOTSUPP (524), which the kernel
> returns from some BPF commands, as "Operation not supported" instead of
> "Unknown error 524", and uses it for map create, map element
> operations, map freeze and prog run. Patch 2 asks for the first key
> before printing anything and fails with the map type and the error.
> Patch 3 adds a test_progs case on a socket storage map, and on a queue
> map without BTF for the plain output path.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v5,1/3] bpftool: Print ENOTSUPP as "Operation not supported"
    https://git.kernel.org/bpf/bpf-next/c/b32b4956d451
  - [bpf-next,v5,2/3] bpftool: Fail map dump for maps that can't be iterated
    https://git.kernel.org/bpf/bpf-next/c/70ac4de43ad1
  - [bpf-next,v5,3/3] selftests/bpf: Test bpftool map dump on maps that can't be iterated
    https://git.kernel.org/bpf/bpf-next/c/631fee3f5a18

You are awesome, thank you!
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