[lkml]   [2012]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] scsi: allow persistent reservations without CAP_SYS_RAWIO
On Tue, 2012-06-12 at 18:08 +0200, Paolo Bonzini wrote:
> Persistent reservations commands cannot be issued right now without
> giving CAP_SYS_RAWIO to the process who wishes to send them. This
> is a bit heavy-handed, allow these two commands.

Why is this heavy handed? If you remove CAP_SYS_RAWIO, any userspace
process can send these, which would allow any user to completely disrupt
a SAN by injecting spurious reservations ... that doesn't look to be
terribly safe for an operating system running in a data centre.


 \ /
  Last update: 2012-06-12 19:01    [W:0.099 / U:0.280 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site