* Re: [PATCH bpf v2] bpf: Fix off-by-one boundary validation in arena direct-value access
[not found] <20260426172505.1947915-1-graypanda.inzag@gmail.com>
@ 2026-05-09 23:20 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; only message in thread
From: patchwork-bot+netdevbpf @ 2026-05-09 23:20 UTC (permalink / raw)
To: Junyoung Jang
Cc: ast, daniel, andrii, eddyz87, memxor, martin.lau, song,
yonghong.song, jolsa, bpf, linux-kernel, greg, security
Hello:
This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Mon, 27 Apr 2026 02:25:05 +0900 you wrote:
> BPF_MAP_TYPE_ARENA accepts BPF_PSEUDO_MAP_VALUE offsets at exactly
> the end of the arena mapping (off == arena_size). The boundary check
> in arena_map_direct_value_addr() uses `>` instead of `>=`, which
> incorrectly allows a one-past-end pointer to be accepted.
>
> Change the condition to `>=` to correctly reject offsets that fall
> outside the valid arena user_vm range.
>
> [...]
Here is the summary with links:
- [bpf,v2] bpf: Fix off-by-one boundary validation in arena direct-value access
https://git.kernel.org/bpf/bpf/c/3ac1a467e376
You are awesome, thank you!
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[not found] <20260426172505.1947915-1-graypanda.inzag@gmail.com>
2026-05-09 23:20 ` [PATCH bpf v2] bpf: Fix off-by-one boundary validation in arena direct-value access patchwork-bot+netdevbpf
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