linux-kernel - Re: [PATCH 1/1] spi: spi-bcm2835: Fix deadlock

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: <77c67af2-e9fa-cc27-b44e-8c412b71cfc7@gmail.com>
Date:   Mon, 19 Jul 2021 16:50:21 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     alexandru.tachici@...log.com, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, broonie@...nel.org
Cc:     nuno.sa@...log.com, bootc@...tc.net, swarren@...dotorg.org,
        bcm-kernel-feedback-list@...adcom.com, rjui@...adcom.com,
        f.fainelli@...il.com, nsaenz@...nel.org
Subject: Re: [PATCH 1/1] spi: spi-bcm2835: Fix deadlock

On 7/16/21 2:02 PM, alexandru.tachici@...log.com wrote:
> From: Alexandru Tachici <alexandru.tachici@...log.com>
> 
> The bcm2835_spi_transfer_one function can create a deadlock
> if it is called while another thread already has the
> CCF lock.
> 
> Signed-off-by: Alexandru Tachici <alexandru.tachici@...log.com>
> Fixes: f8043872e796 ("spi: add driver for BCM2835")

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian