lkml.org 
[lkml]   [2020]   [Nov]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH bpf-next v3 1/3] ima: Implement ima_inode_hash
From
Date


On 11/24/20 7:12 AM, KP Singh wrote:
> From: KP Singh <kpsingh@google.com>
>
> This is in preparation to add a helper for BPF LSM programs to use
> IMA hashes when attached to LSM hooks. There are LSM hooks like
> inode_unlink which do not have a struct file * argument and cannot
> use the existing ima_file_hash API.
>
> An inode based API is, therefore, useful in LSM based detections like an
> executable trying to delete itself which rely on the inode_unlink LSM
> hook.
>
> Moreover, the ima_file_hash function does nothing with the struct file
> pointer apart from calling file_inode on it and converting it to an
> inode.
>
> Signed-off-by: KP Singh <kpsingh@google.com>

There is no change for this patch compared to previous version,
so you can carry my Ack.

Acked-by: Yonghong Song <yhs@fb.com>

\
 
 \ /
  Last update: 2020-11-24 18:36    [W:1.972 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site