linux-kernel - Re: [PATCH 2/4] rsicv: avoid sending a SIGTRAP to a user thread trapped in WARN()

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

Message-ID: <alpine.DEB.2.21.9999.1910041126220.15827@viisi.sifive.com>
Date:   Fri, 4 Oct 2019 11:26:34 -0700 (PDT)
From:   Paul Walmsley <paul.walmsley@...ive.com>
To:     Vincent Chen <vincent.chen@...ive.com>
cc:     linux-riscv@...ts.infradead.org, palmer@...ive.com,
        aou@...s.berkeley.edu, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] rsicv: avoid sending a SIGTRAP to a user thread
 trapped in WARN()

On Mon, 23 Sep 2019, Vincent Chen wrote:

> On RISC-V, when the kernel runs code on behalf of a user thread, and the
> kernel executes a WARN() or WARN_ON(), the user thread will be sent
> a bogus SIGTRAP.  Fix the RISC-V kernel code to not send a SIGTRAP when
> a WARN()/WARN_ON() is executed.
> 
> Signed-off-by: Vincent Chen <vincent.chen@...ive.com>

Thanks, queued for v5.4-rc.


- Paul