tx_bytes is computed after both legs are tested. This might produce a use after memory free.
The computation is now moved into each leg. Bugzilla ID: 1440 Fixes: d8a210774e1d ("net/af_xdp: support unaligned umem chunks") Signed-off-by: Ariel Otilibili <ariel.otilib...@6wind.com> Acked-by: Stephen Hemminger <step...@networkplumber.org> --- .mailmap | 2 +- drivers/net/af_xdp/rte_eth_af_xdp.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/.mailmap b/.mailmap index 8524952d2480..69e485deac55 100644 --- a/.mailmap +++ b/.mailmap @@ -134,7 +134,7 @@ Anupam Kapoor <anupam.kap...@gmail.com> Apeksha Gupta <apeksha.gu...@nxp.com> Archana Muniganti <march...@marvell.com> <muniganti.arch...@caviumnetworks.com> Archit Pandey <architpandeyn...@gmail.com> -Ariel Otilibili <otili...@eurecom.fr> <ariel.otilib...@6wind.com> +Ariel Otilibili <ariel.otilib...@6wind.com> <otili...@eurecom.fr> Arkadiusz Kubalewski <arkadiusz.kubalew...@intel.com> Arkadiusz Kusztal <arkadiuszx.kusz...@intel.com> Arnaud Fiorini <arnaud.fior...@polymtl.ca> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c index 814398ba4b44..092bcb73aa0a 100644 --- a/drivers/net/af_xdp/rte_eth_af_xdp.c +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c @@ -574,6 +574,7 @@ af_xdp_tx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) umem->mb_pool->header_size; offset = offset << XSK_UNALIGNED_BUF_OFFSET_SHIFT; desc->addr = addr | offset; + tx_bytes += desc->len; count++; } else { struct rte_mbuf *local_mbuf = @@ -601,11 +602,10 @@ af_xdp_tx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) desc->addr = addr | offset; rte_memcpy(pkt, rte_pktmbuf_mtod(mbuf, void *), desc->len); + tx_bytes += desc->len; rte_pktmbuf_free(mbuf); count++; } - - tx_bytes += mbuf->pkt_len; } out: -- 2.30.2