From: patchwork-bot+netdevbpf@kernel.org
To: Fuad Tabba <tabba@google.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
puranjay@kernel.org, catalin.marinas@arm.com, will@kernel.org,
bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, martin.lau@linux.dev,
eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me,
haoluo@google.com, jolsa@kernel.org, xukuohai@huaweicloud.com,
jakub@cloudflare.com, jpb@kernel.org
Subject: Re: [PATCH v3] arm64: bpf: Force 8-byte alignment for JIT buffer to prevent atomic tearing
Date: Thu, 26 Feb 2026 19:30:19 +0000 [thread overview]
Message-ID: <177213421954.1808439.8748044844634571383.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260226075525.233321-1-tabba@google.com>
Hello:
This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Thu, 26 Feb 2026 07:55:25 +0000 you wrote:
> struct bpf_plt contains a u64 target field. Currently, the BPF JIT
> allocator requests an alignment of 4 bytes (sizeof(u32)) for the JIT
> buffer.
>
> Because the base address of the JIT buffer can be 4-byte aligned (e.g.,
> ending in 0x4 or 0xc), the relative padding logic in build_plt() fails
> to ensure that target lands on an 8-byte boundary.
>
> [...]
Here is the summary with links:
- [v3] arm64: bpf: Force 8-byte alignment for JIT buffer to prevent atomic tearing
https://git.kernel.org/bpf/bpf/c/ef06fd16d487
You are awesome, thank you!
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next prev parent reply other threads:[~2026-02-26 19:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-24 9:31 [PATCH] arm64: bpf: Fix UBSAN misaligned access in BPF JIT Fuad Tabba
2026-02-25 1:43 ` Xu Kuohai
2026-02-25 9:08 ` Fuad Tabba
2026-02-25 9:46 ` Xu Kuohai
2026-02-25 11:00 ` Fuad Tabba
2026-02-26 1:34 ` Xu Kuohai
2026-02-26 7:55 ` [PATCH v3] arm64: bpf: Force 8-byte alignment for JIT buffer to prevent atomic tearing Fuad Tabba
2026-02-26 18:28 ` Will Deacon
2026-02-26 19:30 ` patchwork-bot+netdevbpf [this message]
2026-02-25 17:47 ` [PATCH] arm64: bpf: Fix UBSAN misaligned access in BPF JIT Will Deacon
2026-02-25 17:53 ` Fuad Tabba
2026-02-25 18:22 ` Will Deacon
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