linux-kernel - Re: [PATCH v2] powerpc/ptrace: Split gpr32_set

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]

Message-Id: <169279175565.797584.14665256369695357987.b4-ty@ellerman.id.au>
Date:   Wed, 23 Aug 2023 21:55:55 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2] powerpc/ptrace: Split gpr32_set_common

On Thu, 22 Jun 2023 12:01:23 +0200, Christophe Leroy wrote:
> objtool report the following warning:
> 
>   arch/powerpc/kernel/ptrace/ptrace-view.o: warning: objtool:
>     gpr32_set_common+0x23c (.text+0x860): redundant UACCESS disable
> 
> gpr32_set_common() conditionnaly opens and closes UACCESS based on
> whether kbuf point is NULL or not. This is wackelig.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/ptrace: Split gpr32_set_common
      https://git.kernel.org/powerpc/c/9a32584bc108c8fe4d02fa33b16caf686e4a788a

cheers