The bug can cause ovs-vswitchd to crash (due to assert) when it is set up with a passive controller connection. Since only active connections are kept, the passive connection status update should be ignored and not trigger asserts.
Reported-by: Josh Bailey <j...@faucet.nz> Signed-off-by: Andy Zhou <az...@ovn.org> --- AUTHORS.rst | 1 + vswitchd/bridge.c | 12 +++++++----- 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/AUTHORS.rst b/AUTHORS.rst index cb0cd91b21ba..e304609b2b27 100644 --- a/AUTHORS.rst +++ b/AUTHORS.rst @@ -389,6 +389,7 @@ Ben Basler bbas...@nicira.com Bhargava Shastry bshas...@sec.t-labs.tu-berlin.de Bob Ball bob.b...@citrix.com Brad Hall b...@nicira.com +Brailey Josh j...@faucet.nz Brandon Heller brand...@stanford.edu Brendan Kelley bkel...@nicira.com Brent Salisbury brent.salisb...@gmail.com diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c index a8cbae78cb23..00f86182c820 100644 --- a/vswitchd/bridge.c +++ b/vswitchd/bridge.c @@ -2720,11 +2720,13 @@ refresh_controller_status(void) struct ofproto_controller_info *cinfo = shash_find_data(&info, cfg->target); - ovs_assert(cinfo); - ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); - const char *role = ofp12_controller_role_to_str(cinfo->role); - ovsrec_controller_set_role(cfg, role); - ovsrec_controller_set_status(cfg, &cinfo->pairs); + /* cinfo is NULL when 'cfg->target' is a passive connection. */ + if (cinfo) { + ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); + const char *role = ofp12_controller_role_to_str(cinfo->role); + ovsrec_controller_set_role(cfg, role); + ovsrec_controller_set_status(cfg, &cinfo->pairs); + } } ofproto_free_ofproto_controller_info(&info); -- 1.8.3.1 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev