lkml.org 
[lkml]   [2020]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RESEND][PATCH] ima: Set and clear FMODE_CAN_READ in ima_calc_file_hash()
    On Mon, Nov 16, 2020 at 09:37:32AM -0800, Linus Torvalds wrote:
    > On Mon, Nov 16, 2020 at 8:47 AM Mimi Zohar <zohar@linux.ibm.com> wrote:
    > >
    > > This discussion seems to be going down the path of requiring an IMA
    > > filesystem hook for reading the file, again. That solution was
    > > rejected, not by me. What is new this time?
    >
    > You can't read a non-read-opened file. Not even IMA can.
    >
    > So don't do that then.
    >
    > IMA is doing something wrong. Why would you ever read a file that can't be read?
    >
    > Fix whatever "open" function instead of trying to work around the fact
    > that you opened it wrong.

    IMA pulls that crap on _every_ open(2), including O_WRONLY. As far as I'm
    concerned, the only sane answer is not enabling that thing on your builds;
    they are deeply special and I hadn't been able to reason with them no
    matter how much I tried ;-/

    \
     
     \ /
      Last update: 2020-11-16 19:10    [W:2.951 / U:0.068 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site