[PATCH] ixgbevf: fix xfrm_state reference leak in ixgbevf_ipsec_rx()
From: Wentao Liang <hidden>
Date: 2026-09-17 11:14:30
Also in:
intel-wired-lan, lkml, stable
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
ixgbevf_ipsec_find_rx_state() returns the state with an extra reference,
which is handed over to the secpath on the success path. When
secpath_set() fails, the state has not been stored anywhere yet and the
reference is dropped on the floor.
Release it before returning.
Fixes: 0062e7cc955e0 ("ixgbevf: add VF IPsec offload code")
Cc: stable@vger.kernel.org
Signed-off-by: Wentao Liang <redacted>
---
drivers/net/ethernet/intel/ixgbevf/ipsec.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ixgbevf/ipsec.c b/drivers/net/ethernet/intel/ixgbevf/ipsec.c
index 076fd0a24858..bf3fcab3bd57 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ipsec.c@@ -596,8 +596,10 @@ void ixgbevf_ipsec_rx(struct ixgbevf_ring *rx_ring, return; sp = secpath_set(skb); - if (unlikely(!sp)) + if (unlikely(!sp)) { + xfrm_state_put(xs); return; + } sp->xvec[sp->len++] = xs; sp->olen++;
--
2.34.1