linux-kernel - Re: [PATCH] ccp: ccp_dmaengine_unregister release dma channels

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: <YigdPfAF8y3LBtl2@gondor.apana.org.au>
Date:   Wed, 9 Mar 2022 15:21:33 +1200
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Dāvis Mosāns <davispuh@...il.com>
Cc:     linux-kernel@...r.kernel.org, thomas.lendacky@....com,
        john.allen@....com, linux-crypto@...r.kernel.org,
        dmaengine@...r.kernel.org, davispuh@...il.com
Subject: Re: [PATCH] ccp: ccp_dmaengine_unregister release dma channels

Dāvis Mosāns <davispuh@...il.com> wrote:
> ccp_dmaengine_register adds dma_chan->device_node to dma_dev->channels list
> but ccp_dmaengine_unregister didn't remove them.
> That can cause crashes in various dmaengine methods that tries to use dma_dev->channels
> 
> Signed-off-by: Dāvis Mosāns <davispuh@...il.com>
> ---
> drivers/crypto/ccp/ccp-dmaengine.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt