linux-kernel - Re: [PATCH] riscv: fix overlap of allocated page and PTR

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Fri, 31 May 2024 02:50:29 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Nam Cao <namcao@...utronix.de>
Cc: linux-riscv@...ts.infradead.org, paul.walmsley@...ive.com,
 palmer@...belt.com, aou@...s.berkeley.edu, alexghiti@...osinc.com,
 akpm@...ux-foundation.org, bhe@...hat.com, samitolvanen@...gle.com,
 chenjiahao16@...wei.com, bjorn@...osinc.com, linux-kernel@...r.kernel.org,
 rppt@...nel.org, bjorn@...nel.org, stable@...r.kernel.org
Subject: Re: [PATCH] riscv: fix overlap of allocated page and PTR_ERR

Hello:

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

On Thu, 25 Apr 2024 13:52:01 +0200 you wrote:
> On riscv32, it is possible for the last page in virtual address space
> (0xfffff000) to be allocated. This page overlaps with PTR_ERR, so that
> shouldn't happen.
> 
> There is already some code to ensure memblock won't allocate the last page.
> However, buddy allocator is left unchecked.
> 
> [...]

Here is the summary with links:
  - riscv: fix overlap of allocated page and PTR_ERR
    https://git.kernel.org/riscv/c/a5e8a5b08a48

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html