]> git.baikalelectronics.ru Git - kernel.git/commit
net: qcom/emac: fix UAF in emac_remove
authorPavel Skripkin <paskripkin@gmail.com>
Fri, 9 Jul 2021 14:24:18 +0000 (17:24 +0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 9 Jul 2021 18:01:01 +0000 (11:01 -0700)
commitd13b772dd02fb79ea8002bebe771cd09d7dde859
tree1ec9fb422276fe114ec28422dad5313fcb9cb93f
parent8283b643492ecf4a863981c44285aa0d99fd3dd8
net: qcom/emac: fix UAF in emac_remove

adpt is netdev private data and it cannot be
used after free_netdev() call. Using adpt after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() at the end of the
function.

Fixes: d576a76d9bc7 ("net: qcom/emac: do not use devm on internal phy pdev")
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qualcomm/emac/emac.c