linux-kernel - [PATCH v2 0/4] add limit on the total number of users and oustanding messages

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>] [day] [month] [year] [list]

Message-ID: <tencent_9D994CB589E97D7605023F5CF51D7DA4F50A@qq.com>
Date:   Wed, 30 Mar 2022 00:12:38 +0800
From:   Chen Guanqiao <chen.chenchacha@...mail.com>
To:     minyard@....org, openipmi-developer@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Cc:     Chen Guanqiao <chen.chenchacha@...mail.com>
Subject: [PATCH v2 0/4] add limit on the total number of users and oustanding messages

In some case, ipmi is frequently accessed, and the communication of bmc
device is blocked, ipmi will consume a large amount of memory.

This patch provides some limits for the number of user and messages in
ipmi.

In addition, this patch also provides a method to view the current number
of users and messages in ipmi, Used to diagnose and troubleshoot issues.
and introduce a simple interface to clear the message queue.

Changelog v2:
- Add a limit on the number of users
- Add a less rigid limit on the number of oustanding messages
- The interface for viewing the number of users and messages is retained
- The interface for cleanup messages is retained

Chen Guanqiao (4):
  ipmi: msghandler: Add a limit for the number of users
  ipmi: msghandler: Add a limit for the number of messages
  ipmi: msghandler: Get the number of users and messages through sysfs
  ipmi: msghandler: Add a interface to clean message queue in sysfs

 drivers/char/ipmi/ipmi_msghandler.c | 207 ++++++++++++++++++++++++++++
 1 file changed, 207 insertions(+)

--
2.25.1