From: patchwork-bot+netdevbpf@kernel.org
To: Taegu Ha <hataegu0826@gmail.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
yonghong.song@linux.dev, eddyz87@gmail.com, memxor@gmail.com,
shuah@kernel.org, john.fastabend@gmail.com, jolsa@kernel.org,
yatsenko@meta.com, song@kernel.org, puranjay@kernel.org,
emil@etsalapatis.com, martin.lau@linux.dev, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH bpf-next v3] bpf: reject overlarge global subprog argument sizes
Date: Mon, 01 Jun 2026 01:00:05 +0000 [thread overview]
Message-ID: <178027560516.3443781.11705215616764330591.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260528062155.3988156-1-hataegu0826@gmail.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Thu, 28 May 2026 15:21:55 +0900 you wrote:
> Global subprogram argument checking derives generic pointer sizes from BTF
> and passes the resolved size to check_mem_reg() as a u32. The access-size
> validation path then uses a signed int, and stack pointers negate the value
> before calling check_helper_mem_access().
>
> This creates a wrap when BTF describes a pointee size larger than S32_MAX.
> For example, a global subprogram argument of type:
>
> [...]
Here is the summary with links:
- [bpf-next,v3] bpf: reject overlarge global subprog argument sizes
https://git.kernel.org/bpf/bpf-next/c/de36adca6346
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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next prev parent reply other threads:[~2026-06-01 1:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-27 5:25 [PATCH bpf 0/1] bpf: reject overlarge global subprog argument sizes Taegu Ha
2026-05-27 5:25 ` [PATCH bpf 1/1] " Taegu Ha
2026-05-27 16:59 ` Yonghong Song
2026-05-27 17:48 ` 하태구
2026-05-27 17:53 ` 하태구
2026-05-28 5:03 ` Yonghong Song
2026-05-28 5:25 ` [PATCH v2 0/1] " Taegu Ha
2026-05-28 5:25 ` [PATCH v2 1/1] " Taegu Ha
2026-05-28 6:05 ` bot+bpf-ci
2026-05-28 6:21 ` [PATCH bpf-next v3] " Taegu Ha
2026-05-28 15:17 ` Yonghong Song
2026-06-01 1:00 ` patchwork-bot+netdevbpf [this message]
2026-06-01 6:04 ` 하태구
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