linux-kernel - Re: [PATCH -next] cgroup: Fix AA deadlock caused by cgroup_bpf

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: <e90c32d2-2a85-4f28-9154-09c7d320cb60@huawei.com>
Date: Tue, 9 Jul 2024 21:45:57 +0800
From: chenridong <chenridong@...wei.com>
To: Markus Elfring <Markus.Elfring@....de>, <bpf@...r.kernel.org>,
	<cgroups@...r.kernel.org>, Andrii Nakryiko <andrii@...nel.org>, Alexei
 Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Eduard
 Zingerman <eddyz87@...il.com>, Hao Luo <haoluo@...gle.com>, Jiri Olsa
	<jolsa@...nel.org>, Johannes Weiner <hannes@...xchg.org>, John Fastabend
	<john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Martin KaFai Lau
	<martin.lau@...ux.dev>, Roman Gushchin <roman.gushchin@...ux.dev>, Song Liu
	<song@...nel.org>, Stanislav Fomichev <sdf@...gle.com>, Tejun Heo
	<tj@...nel.org>, Yonghong Song <yonghong.song@...ux.dev>, Zefan Li
	<lizefan.x@...edance.com>
CC: LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] cgroup: Fix AA deadlock caused by
 cgroup_bpf_release



On 2024/6/10 20:28, Markus Elfring wrote:
>> We found an AA deadlock problem as shown belowed:
> 
>                                             below?
> 
> * How was an “AA deadlock” problem detected?
> 
> * Were any special analysis tools involved?
It occurred after a long time of pressure testing.

> 
> 
> …
>> preblem is solved.
> 
>    problem?
> 
Sorry for the spelling mistake.
> 
> Regards,
> Markus

Regards,
Ridong