APPLIED: [SRU] [E] [PATCH 0/1] Fix potential null pointer dereference on kernfs

Kelsey Skunberg kelsey.skunberg at canonical.com
Fri Apr 24 17:40:39 UTC 2020


On 2020-04-22 17:53:18 , Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1874221
> 
> [Impact]
> We are seeing a null kernel dereference on kernfs during system sleep
> stress.
> 
> [Fix]
> Make sure kernfs node is not null before reaching to root.
> 
> [Test]
> Run sleep stress. Not seeing the issue after the fix is applied.
> 
> [Regression Potential]
> Low. Fix limits to kernfs, also the it has been in upstream kernel for
> quite a while. 
> 
> Peng Wang (1):
>   kernfs: fix potential null pointer dereference
> 
>  fs/kernfs/dir.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>

Applied to Eoan/master-next. Thank you! 

-Kelsey
 
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