vhost_net: stop device during reset owner

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[ Upstream commit 4cd879515d ]

We don't stop device before reset owner, this means we could try to
serve any virtqueue kick before reset dev->worker. This will result a
warn since the work was pending at llist during owner resetting. Fix
this by stopping device during owner reset.

Reported-by: syzbot+eb17c6162478cc50632c@syzkaller.appspotmail.com
Fixes: 3a4d5c94e9 ("vhost_net: a kernel-level virtio server")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jason Wang 2018-01-25 22:03:52 +08:00 • committed by Greg Kroah-Hartman

parent f76c9a0fbf

commit cb0fddba20

1 changed files with 1 additions and 0 deletions

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drivers/vhost/net.c

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