linux-kernel - Re: [PATCH -next 0/2] fix nfsv4 bugs of opening with O

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]

Date:   Wed, 13 Apr 2022 22:42:47 +0800
From:   "chenxiaosong (A)" <chenxiaosong2@...wei.com>
To:     Lyu Tao <tao.lyu@...l.ch>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        "anna@...nel.org" <anna@...nel.org>,
        "bjschuma@...app.com" <bjschuma@...app.com>
CC:     "linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "liuyongqiang13@...wei.com" <liuyongqiang13@...wei.com>,
        "yi.zhang@...wei.com" <yi.zhang@...wei.com>,
        "zhangxiaoxu5@...wei.com" <zhangxiaoxu5@...wei.com>
Subject: Re: [PATCH -next 0/2] fix nfsv4 bugs of opening with O_ACCMODE flag



在 2022/4/13 22:16, Lyu Tao 写道:
> Got it. Thanks!
> 
> 
> By the way, is this bug related to commit ac795161c936? Or have you 
> tested NFS using your PoC on the version only with commit ab0fc21bc710 
> (without commit ac795161c936).
> 
> 
> Best,
> 
> Tao
> 

I am also confused ac795161c936 ("NFSv4: Handle case where the lookup of 
a directory fails"), this bug reported by you is not related it, I don't 
know why Trond create this patch.