Messages in this thread | | | From | Dmitry Vyukov <> | Date | Thu, 7 Jun 2018 18:25:35 +0200 | Subject | Re: KMSAN: uninit-value in _copy_to_iter (2) |
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On Thu, Jun 7, 2018 at 5:38 PM, Michael S. Tsirkin <mst@redhat.com> wrote: > #syz test: https://github.com/google/kmsan.git/master d2d741e5d1898dfde1a75ea3d29a9a3e2edf0617
Hi Michael,
We need:
#syz test: https://github.com/google/kmsan.git master
here. Please see https://github.com/google/syzkaller/blob/master/docs/syzbot.md#testing-patches for more info.
Please also add the Reported-by tag when mailing the patch for review.
Thanks
> Subject: vhost: fix info leak > > Fixes: CVE-2018-1118 > Signed-off-by: Michael S. Tsirkin <mst@redhat.com> > --- > diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c > index f0be5f35ab28..9beefa6ed1ce 100644 > --- a/drivers/vhost/vhost.c > +++ b/drivers/vhost/vhost.c > @@ -2345,6 +2345,9 @@ struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type) > struct vhost_msg_node *node = kmalloc(sizeof *node, GFP_KERNEL); > if (!node) > return NULL; > + > + /* Make sure all padding within the structure is initialized. */ > + memset(&node->msg, 0, sizeof node->msg); > node->vq = vq; > node->msg.type = type; > return node; > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/20180607183627-mutt-send-email-mst%40kernel.org. > For more options, visit https://groups.google.com/d/optout. [unhandled content-type:application/octet-stream] | |