linux-kernel - Re: [PATCH] riscv: misaligned: Restrict user access to kernel memory

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Message-Id: 
 <172537384152.320952.10274584984472776456.git-patchwork-notify@kernel.org>
Date: Tue, 03 Sep 2024 14:30:41 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Samuel Holland <samuel.holland@...ive.com>
Cc: linux-riscv@...ts.infradead.org, palmer@...belt.com,
 stable@...r.kernel.org, aou@...s.berkeley.edu, ben.dooks@...ethink.co.uk,
 bjorn@...osinc.com, charlie@...osinc.com, cleger@...osinc.com,
 conor.dooley@...rochip.com, evan@...osinc.com, paul.walmsley@...ive.com,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] riscv: misaligned: Restrict user access to kernel memory

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@...osinc.com>:

On Wed, 14 Aug 2024 17:57:03 -0700 you wrote:
> raw_copy_{to,from}_user() do not call access_ok(), so this code allowed
> userspace to access any virtual memory address.
> 
> Cc: stable@...r.kernel.org
> Fixes: 7c83232161f6 ("riscv: add support for misaligned trap handling in S-mode")
> Fixes: 441381506ba7 ("riscv: misaligned: remove CONFIG_RISCV_M_MODE specific code")
> Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
> 
> [...]

Here is the summary with links:
  - riscv: misaligned: Restrict user access to kernel memory
    https://git.kernel.org/riscv/c/b686ecdeacf6

You are awesome, thank you!
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