From: patchwork-bot+netdevbpf@kernel.org
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
daniel@iogearbox.net, eddyz87@gmail.com, emil@etsalapatis.com,
npc@anthropic.com, kkd@meta.com, kernel-team@meta.com
Subject: Re: [PATCH bpf-next v2 0/2] Fix acyclic ownership checks
Date: Sat, 19 Sep 2026 05:30:08 +0000 [thread overview]
Message-ID: <178979580888.1275551.13918303217936513358.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260914132444.2564218-1-memxor@gmail.com>
Hello:
This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Mon, 14 Sep 2026 15:24:41 +0200 you wrote:
> Bound and ensure acyclic ownership graphs for native data structures to
> fix a bug reported by Nicholas. See commit logs and tests for details.
>
> The existing list/rbtree rule already rejects graph-only cycles and bounds
> those chains conservatively. It misses ownership through local referenced
> kptrs, which can produce unbounded synchronous field destruction. Validate
> all local ownership edges together, with an explicit depth bound, and allow
> longer acyclic graph-only layouts within that bound.
>
> [...]
Here is the summary with links:
- [bpf-next,v2,1/2] bpf: Bound ownership depth through local kptrs and graph roots
https://git.kernel.org/bpf/bpf/c/bfc888f04588
- [bpf-next,v2,2/2] selftests/bpf: Check local object ownership depth
https://git.kernel.org/bpf/bpf/c/0288ed67482b
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-09-19 5:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-14 13:24 [PATCH bpf-next v2 0/2] Fix acyclic ownership checks Kumar Kartikeya Dwivedi
2026-09-14 13:24 ` [PATCH bpf-next v2 1/2] bpf: Bound ownership depth through local kptrs and graph roots Kumar Kartikeya Dwivedi
2026-09-14 13:24 ` [PATCH bpf-next v2 2/2] selftests/bpf: Check local object ownership depth Kumar Kartikeya Dwivedi
2026-09-14 14:16 ` bot+bpf-ci
2026-09-19 5:30 ` patchwork-bot+netdevbpf [this message]
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