On Mon, 1 Feb 2021 23:00:49 +0300 Alexander Ovechkin wrote:
> Commit e5f0e8f8e456 ("net: sched: introduce and use qdisc tree flush/purge
> helpers")
> introduced qdisc tree flush/purge helpers, but erroneously used flush helper
> instead of purge helper in qdisc_replace function.
> This issue was found in our CI, that tests various qdisc setups by configuring
> qdisc and sending data through it. Call of invalid helper sporadically leads
> to corruption of vt_tree/cf_tree of hfsc_class that causes kernel oops:
> Fixes: e5f0e8f8e456 ("net: sched: introduce and use qdisc tree flush/purge
> helpers")
> Signed-off-by: Alexander Ovechkin <[email protected]>
> Reported-by: Alexander Kuznetsov <[email protected]>
> Acked-by: Dmitry Monakhov <[email protected]>
> Acked-by: Dmitry Yakunin <[email protected]>
> Acked-by: Cong Wang <[email protected]>
No need to repost just to add the ack, patchwork will pick the tags up
automatically.
Applied, thanks!
