| commit | 65a3c497c0e965a552008db8bc2653f62bc925a1 | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <edumazet@google.com> | Thu Jun 06 14:32:34 2019 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Sun Jun 09 13:07:14 2019 -0700 |
| tree | b3123d60841736cf01855d36332b3f0410a3129b | |
| parent | c3fee640bcf52c34a25b767f2b0eda82e97a1f3b [diff] |
ipv6: flowlabel: fl6_sock_lookup() must use atomic_inc_not_zero
Before taking a refcount, make sure the object is not already
scheduled for deletion.
Same fix is needed in ipv6_flowlabel_opt()
Fixes: 18367681a10b ("ipv6 flowlabel: Convert np->ipv6_fl_list to RCU.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>