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| author | Cong Wang <xiyou.wangcong@gmail.com> | 2020-07-23 04:56:25 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-24 01:19:58 +0300 |
| commit | 32818c075c54bb0cae44dd6f7ab00b01c52b8372 (patch) | |
| tree | 8a7e4d000493caea4eb853de9309ccfe2efb0975 | |
| parent | c75d1d5248c0c97996051809ad0e9f154ba5d76e (diff) | |
| download | linux-32818c075c54bb0cae44dd6f7ab00b01c52b8372.tar.xz | |
geneve: fix an uninitialized value in geneve_changelink()
geneve_nl2info() sets 'df' conditionally, so we have to
initialize it by copying the value from existing geneve
device in geneve_changelink().
Fixes: 56c09de347e4 ("geneve: allow changing DF behavior after creation")
Reported-by: syzbot+7ebc2e088af5e4c0c9fa@syzkaller.appspotmail.com
Cc: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/geneve.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 4661ef865807..dec52b763d50 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1615,11 +1615,11 @@ static int geneve_changelink(struct net_device *dev, struct nlattr *tb[], struct netlink_ext_ack *extack) { struct geneve_dev *geneve = netdev_priv(dev); + enum ifla_geneve_df df = geneve->df; struct geneve_sock *gs4, *gs6; struct ip_tunnel_info info; bool metadata; bool use_udp6_rx_checksums; - enum ifla_geneve_df df; bool ttl_inherit; int err; |