lkml.org 
[lkml]   [2024]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [syzbot] [overlayfs?] WARNING in ovl_copy_up_file
On Wed, 13 Mar 2024 at 21:55, Amir Goldstein <amir73il@gmail.com> wrote:

> The WARN_ON that I put in ovl_verify_area() may be too harsh.
> I think they can happen if lower file is changed (i_size) while file is being
> copied up after reading i_size into the copy length and this could be
> the case with this syzbot reproducer that keeps mounting overlayfs
> instances over same path.
>
> Should probably demote those WARN_ON to just returning EIO?

Sounds good.

Thanks,
Miklos

\
 
 \ /
  Last update: 2024-05-27 15:49    [W:0.081 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site