From: Li RongQing <[email protected]>
Upstream commit:
commit ea8564c865299815095bebeb4b25bef474218e4c
Author: Li RongQing <[email protected]>
Date: Tue Sep 24 19:11:52 2019 +0800
openvswitch: change type of UPCALL_PID attribute to NLA_UNSPEC
userspace openvswitch patch "(dpif-linux: Implement the API
functions to allow multiple handler threads read upcall)"
changes its type from U32 to UNSPEC, but leave the kernel
unchanged
and after kernel 6e237d099fac "(netlink: Relax attr validation
for fixed length types)", this bug is exposed by the below
warning
[ 57.215841] netlink: 'ovs-vswitchd': attribute type 5 has an invalid
length.
Fixes: 5cd667b0a456 ("openvswitch: Allow each vport to have an array of
'port_id's")
Signed-off-by: Li RongQing <[email protected]>
Acked-by: Pravin B Shelar <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Fixes: beb1c69a3 ("datapath: Allow each vport to have an array of 'port_id's.")
Cc: Li RongQing <[email protected]>
Signed-off-by: Greg Rose <[email protected]>
---
datapath/datapath.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/datapath/datapath.c b/datapath/datapath.c
index 15af156..a787276 100644
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -2269,7 +2269,7 @@ static const struct nla_policy
vport_policy[OVS_VPORT_ATTR_MAX + 1] = {
[OVS_VPORT_ATTR_STATS] = { .len = sizeof(struct ovs_vport_stats) },
[OVS_VPORT_ATTR_PORT_NO] = { .type = NLA_U32 },
[OVS_VPORT_ATTR_TYPE] = { .type = NLA_U32 },
- [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NLA_U32 },
+ [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NLA_UNSPEC },
[OVS_VPORT_ATTR_OPTIONS] = { .type = NLA_NESTED },
[OVS_VPORT_ATTR_IFINDEX] = { .type = NLA_U32 },
[OVS_VPORT_ATTR_NETNSID] = { .type = NLA_S32 },
--
1.8.3.1
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