From: patchwork-bot+netdevbpf@kernel.org
To: Puranjay Mohan <puranjay@kernel.org>
Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
daniel@iogearbox.net, martin.lau@kernel.org, eddyz87@gmail.com,
kkd@meta.com, kernel-team@meta.com
Subject: Re: [PATCH bpf-next] selftests/bpf: fix list_del() in arena list
Date: Sun, 19 Oct 2025 02:30:15 +0000 [thread overview]
Message-ID: <176084101529.3155740.2422703832168893238.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20251017141727.51355-1-puranjay@kernel.org>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Fri, 17 Oct 2025 14:17:25 +0000 you wrote:
> The __list_del fuction doesn't set the previous node's next pointer to
> the next node of the node to be deleted. It just updates the local variable
> and not the actual pointer in the previous node.
>
> The test was passing up till now because the bpf code is doing bpf_free()
> after list_del and therfore reading head->first from the userspace will
> read all zeroes. But after arena_list_del() is finished, head->first should
> point to NULL;
>
> [...]
Here is the summary with links:
- [bpf-next] selftests/bpf: fix list_del() in arena list
https://git.kernel.org/bpf/bpf-next/c/7361c864852f
You are awesome, thank you!
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prev parent reply other threads:[~2025-10-19 2:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-17 14:17 [PATCH bpf-next] selftests/bpf: fix list_del() in arena list Puranjay Mohan
2025-10-17 16:31 ` Yonghong Song
2025-10-17 18:35 ` Eduard Zingerman
2025-10-17 19:09 ` Puranjay Mohan
2025-10-17 19:30 ` Yonghong Song
2025-10-17 19:55 ` Eduard Zingerman
2025-10-17 18:41 ` Alexei Starovoitov
2025-10-17 19:18 ` Puranjay Mohan
2025-10-17 21:11 ` Alexei Starovoitov
2025-10-19 2:30 ` patchwork-bot+netdevbpf [this message]
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