lkml.org 
[lkml]   [2020]   [Apr]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: remove set_fs calls from the exec and coredump code v2
Christoph Hellwig <hch@lst.de> writes:

> Hi all,
>
> this series gets rid of playing with the address limit in the exec and
> coredump code. Most of this was fairly trivial, the biggest changes are
> those to the spufs coredump code.
>
> Changes since v1:
> - properly spell NUL
> - properly handle the compat siginfo case in ELF coredumps

Quick question is exec from a kernel thread within the scope of what you
are looking at?

There is a set_fs(USER_DS) in flush_old_exec whose sole purpose appears
to be to allow exec from kernel threads. Where the kernel threads
run with set_fs(KERNEL_DS) until they call exec.

Eric

\
 
 \ /
  Last update: 2020-04-18 00:45    [W:0.872 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site