linux-kernel - Re: [PATCH v2] arm64: lockdep: enable checks for held locks when returning to userspace

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:   Tue,  6 Jun 2023 18:30:11 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Eric Chan <ericchancf@...gle.com>
Cc:     "Paul E . McKenney" <paulmck@...nel.org>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Mukesh Ojha <quic_mojha@...cinc.com>,
        Josh Poimboeuf <jpoimboe@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: lockdep: enable checks for held locks when returning to userspace

On Wed, 31 May 2023 09:09:09 +0000, Eric Chan wrote:
> Currently arm64 doesn't use CONFIG_GENERIC_ENTRY and doesn't call
> lockdep_sys_exit() when returning to userspace.
> This means that lockdep won't check for held locks when
> returning to userspace, which would be useful to detect kernel bugs.
> 
> Call lockdep_sys_exit() when returning to userspace,
> enabling checking for held locks.
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64: lockdep: enable checks for held locks when returning to userspace
      https://git.kernel.org/arm64/c/ab1e29acdb33

-- 
Catalin