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net: ethernet: SP7021: fix a use after free of skb->len
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 18 May 2022 17:37:15 +0000 (20:37 +0300)
committerJakub Kicinski <kuba@kernel.org>
Fri, 20 May 2022 00:46:56 +0000 (17:46 -0700)
commitdf98714e432abf5cbdac3e4c1a13f94c65ddb8d3
treee1bc19df1dfd469192483e3bb69be885e7fcc917tree | snapshot
parentf01cdcf891a569dee187a5de0c25cd5766151524commit | diff
net: ethernet: SP7021: fix a use after free of skb->len

The netif_receive_skb() function frees "skb" so store skb->len before
it is freed.

Fixes: fd3040b9394c ("net: ethernet: Add driver for Sunplus SP7021")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YoUuy4iTjFAcSn03@kili
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/sunplus/spl2sw_int.c diff | blob | history
Domain: System / Kernel;