[ovs-dev] [PATCH 1/2] ofproto: fix the crash of process ovs-vswitchd
Binbin Xu
xu.binbin1 at zte.com.cn
Tue Sep 20 19:54:05 UTC 2016
topology:
+----------------+
+-------->| SDN Controller |<--------------+
| +----------------+ |
| |
+-----------|-----+ +-----------|-----+
| +-----+ | | | +-----+ | |
| | VM1 | | | | | VM2 | | |
| +-----+ | | | +-----+ | |
| ^ V | | ^ V |
| | +-----+ | | | +-----+ |
| +-> | OVS | | | +-> | OVS | |
| +-----+ | | +-----+ |
| ^ | | ^ |
+-----------|-----+ +-----------|-----+
| Nic Nic|
+------------------------------------------+
We start the communication between VM1 and VM2, for example, ICMP.
At the meantime, disconnect OVS and SDN controller, and reconnect
them again, the process ovs-vswitchd crashes.
backtrace:
0 0x00007f658082ffe4 in cls_rule_make_invisible_in_version ()
1 0x00007f65807f6bb3 in delete_flows_start__ ()
2 0x00007f65807f7ee9 in ofproto_group_mod_start ()
3 0x00007f65807fa07b in handle_openflow ()
4 0x00007f658082119b in connmgr_run ()
5 0x00007f65807f3ba6 in ofproto_run ()
6 0x00007f65807e101c in bridge_run__ ()
7 0x00007f65807e715d in bridge_run ()
8 0x00007f658065784d in main ()
Signed-off-by: Binbin Xu <xu.binbin1 at zte.com.cn>
---
ofproto/ofproto.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
mode change 100644 => 100755 ofproto/ofproto.c
diff --git a/ofproto/ofproto.c b/ofproto/ofproto.c
old mode 100644
new mode 100755
index 9d62b72..93e268d
--- a/ofproto/ofproto.c
+++ b/ofproto/ofproto.c
@@ -8124,7 +8124,7 @@ ofproto_rule_remove__(struct ofproto *ofproto, struct rule *rule)
if (actions->has_groups) {
const struct ofpact_group *a;
- OFPACT_FOR_EACH_TYPE (a, GROUP, actions->ofpacts,
+ OFPACT_FOR_EACH_TYPE_FLATTENED(a, GROUP, actions->ofpacts,
actions->ofpacts_len) {
struct ofgroup *group;
--
2.9.3
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