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authorTianyu Xu <[email protected]>2025-08-12 13:10:56 +0000
committerTony Nguyen <[email protected]>2025-09-09 16:48:30 +0000
commit75871a525a596ff4d16c4aebc0018f8d0923c9b1 (patch)
treef76963010186bbc7c87ef942a719ccafa218d852 /drivers/net/ethernet/intel/igb/igb_main.c
parenttunnels: reset the GSO metadata before reusing the skb (diff)
downloadkernel-75871a525a596ff4d16c4aebc0018f8d0923c9b1.tar.gz
kernel-75871a525a596ff4d16c4aebc0018f8d0923c9b1.zip
igb: Fix NULL pointer dereference in ethtool loopback test
The igb driver currently causes a NULL pointer dereference when executing the ethtool loopback test. This occurs because there is no associated q_vector for the test ring when it is set up, as interrupts are typically not added to the test rings. Since commit 5ef44b3cb43b removed the napi_id assignment in __xdp_rxq_info_reg(), there is no longer a need to pass a napi_id to it. Therefore, simply use 0 as the last parameter. Fixes: 2c6196013f84 ("igb: Add AF_XDP zero-copy Rx support") Reviewed-by: Aleksandr Loktionov <[email protected]> Reviewed-by: Joe Damato <[email protected]> Signed-off-by: Tianyu Xu <[email protected]> Reviewed-by: Paul Menzel <[email protected]> Tested-by: Rinitha S <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb_main.c')
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index a9a7a94ae61e..453deb6d14b3 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4453,8 +4453,7 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring)
if (xdp_rxq_info_is_reg(&rx_ring->xdp_rxq))
xdp_rxq_info_unreg(&rx_ring->xdp_rxq);
res = xdp_rxq_info_reg(&rx_ring->xdp_rxq, rx_ring->netdev,
- rx_ring->queue_index,
- rx_ring->q_vector->napi.napi_id);
+ rx_ring->queue_index, 0);
if (res < 0) {
dev_err(dev, "Failed to register xdp_rxq index %u\n",
rx_ring->queue_index);