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net/sfc: check ID overflow in action port ID

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The container in the action configuration is U32,
but the ID is U16, and overflow check is missing.

Fixes: 1fb65e4dae8a ("net/sfc: support flow action port ID in transfer rules")
Cc: stable@dpdk.org

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
This commit is contained in:
Ivan Malov 2021-05-27 17:27:22 +03:00 committed by David Marchand
parent d96dccbc27
commit fb3c4efb65
1 changed files with 3 additions and 0 deletions
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3
drivers/net/sfc/sfc_mae.c
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@ -2653,6 +2653,9 @@ sfc_mae_rule_parse_action_port_id(struct sfc_adapter *sa,
uint16_t port_id; uint16_t port_id;
int rc; int rc;
if (conf->id > UINT16_MAX)
return EOVERFLOW;
port_id = (conf->original != 0) ? sas->port_id : conf->id; port_id = (conf->original != 0) ? sas->port_id : conf->id;
rc = sfc_mae_switch_port_by_ethdev(mae->switch_domain_id, rc = sfc_mae_switch_port_by_ethdev(mae->switch_domain_id,