netdev - Re: [PATCH net] net: mctp: put sock on tag allocation failure

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: <20240221143300.0ddec4a4@kernel.org>
Date: Wed, 21 Feb 2024 14:33:00 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Jeremy Kerr <jk@...econstruct.com.au>
Cc: netdev@...r.kernel.org, Matt Johnston <matt@...econstruct.com.au>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net] net: mctp: put sock on tag allocation failure

On Thu, 15 Feb 2024 15:53:08 +0800 Jeremy Kerr wrote:
> We may hold an extra reference on a socket if a tag allocation fails: we
> optimistically allocate the sk_key, and take a ref there, but do not
> drop if we end up not using the allocated key.
> 
> Ensure we're dropping the sock on this failure by doing a proper unref
> rather than directly kfree()ing.
> 
> Fixes: de8a6b15d965 ("net: mctp: add an explicit reference from a mctp_sk_key to sock")
> Signed-off-by: Jeremy Kerr <jk@...econstruct.com.au>

Hi Jeremy!

This patch is good to be applied, right?
It got marked Not Applicable in patchwork, not sure why.