Message ID | 20221129072617.439074-1-d-tatianin@yandex-team.ru (mailing list archive) |
---|---|
State | Changes Requested |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | [RESEND,v1] drivers/net/bonding/bond_3ad: return when there's no aggregator | expand |
On Tue, 29 Nov 2022 10:26:17 +0300 Daniil Tatianin wrote: > Otherwise we would dereference a NULL aggregator pointer when calling > __set_agg_ports_ready on the line below. > > Found by Linux Verification Center (linuxtesting.org) with the SVACE > static analysis tool. > > Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru> Okay, went thru, now let's try CCing the maintainers of bonding...
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index acb6ff0be5ff..320e5461853f 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -1520,6 +1520,7 @@ static void ad_port_selection_logic(struct port *port, bool *update_slave_arr) slave_err(bond->dev, port->slave->dev, "Port %d did not find a suitable aggregator\n", port->actor_port_number); + return; } } /* if all aggregator's ports are READY_N == TRUE, set ready=TRUE
Otherwise we would dereference a NULL aggregator pointer when calling __set_agg_ports_ready on the line below. Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool. Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru> --- drivers/net/bonding/bond_3ad.c | 1 + 1 file changed, 1 insertion(+)