netdev - Re: [PATCH] bpf: fix size of copy_to

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: <20160812230810.GB48651@ast-mbp.thefacebook.com>
Date:	Fri, 12 Aug 2016 16:08:12 -0700
From:	Alexei Starovoitov <alexei.starovoitov@...il.com>
To:	William Tu <u9012063@...il.com>
Cc:	Daniel Borkmann <daniel@...earbox.net>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH] bpf: fix size of copy_to_user in percpu map.

On Fri, Aug 12, 2016 at 09:58:51AM -0700, William Tu wrote:
> Hi,
> 
> I've tested on ESXi version 5.5 and it seems OK.
> - VM1: Ubuntu 14.04, kernel 3.19 ---> OK 3 cpu dirs, possible = 0-2
> - VM2: Centos7, kernel 3.10 ---> OK 8 cpu dirs, possible = 0-7
> 
> I tried another MacBook with Fusion, same issue happens, the cpu[0-9]
> dirs are not equal to /sys/devices/system/cpu/possible

great. thanks for testing. I think the issue is closed and
hopefully you can follow up with fusion guys ;)