[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH v2] xen/blkfront: avoid NULL blkfront_info dereference on device removal



On Mon, 2018-10-15 at 16:02 +0200, Roger Pau Monné wrote:
> 
> > This results in a NULL pointer BUG when blkfront_remove and
> > blkif_free
> > try to access the failing device's NULL struct blkfront_info.
> > 
> > 
> I guess this is a candidate for backporting?
> 

yes, I think so. At least for kernels >=4.5, which could face this
issue due to commit c31ecf6c12 (this frees the struct blkinfo in the
failing path of talk_to_blkback).

thanks, 

- Vasilis



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.