gve: fix XSK buffer leak on error descriptor

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When the error bit is set in the RX completion descriptor, the buf_state
and its attached buffer should be freed. In the case of AF_XDP ZC, the
XSK buffer was not freed, leading to a leak.

This issue was caught by LLM.

Fixes: c1fffc5d66 ("gve: implement DQO RX datapath and control path for AF_XDP zero-copy")
Cc: stable@vger.kernel.org
Reviewed-by: Jordan Rhee <jordanrhee@google.com>
Reviewed-by: Tim Hostetler <thostet@google.com>
Signed-off-by: Joshua Washington <joshwash@google.com>
Link: https://patch.msgid.link/20260930214735.3288780-3-joshwash@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Joshua Washington 2026-09-30 14:47:34 -07:00 • committed by Jakub Kicinski

parent 73670ddb91

commit 9fed6a8ab8

1 changed files with 6 additions and 1 deletions

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7

drivers/net/ethernet/google/gve/gve_rx_dqo.c

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