From: Jason Wang <[email protected]> Date: Tue, 27 Mar 2018 20:50:52 +0800
> We tried to remove vq poll from wait queue, but do not check whether > or not it was in a list before. This will lead double free. Fixing > this by switching to use vhost_poll_stop() which zeros poll->wqh after > removing poll from waitqueue to make sure it won't be freed twice. > > Cc: Darren Kenny <[email protected]> > Reported-by: [email protected] > Fixes: 2b8b328b61c79 ("vhost_net: handle polling errors when setting backend") > Signed-off-by: Jason Wang <[email protected]> > --- > Changes from V1: > - tweak the commit log for to match the code Applied and queued up for -stable, thank you.
