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(parent: 03f16c5) | patch
can: vxcan: vxcan_xmit: fix use after free bug
authorVincent Mailhol <[email protected]>
Wed, 20 Jan 2021 11:41:36 +0000 (20:41 +0900)
committerMarc Kleine-Budde <[email protected]>
Wed, 20 Jan 2021 12:33:12 +0000 (13:33 +0100)
commit75854cad5d80976f6ea0f0431f8cedd3bcc475cb
tree04e4b19da43954395aca5a3ae98db7bf8fee86c3tree | snapshot
parent03f16c5075b22c8902d2af739969e878b0879c94commit | diff
can: vxcan: vxcan_xmit: fix use after free bug

After calling netif_rx_ni(skb), dereferencing skb is unsafe.
Especially, the canfd_frame cfd which aliases skb memory is accessed
after the netif_rx_ni().

Fixes: a8f820a380a2 ("can: add Virtual CAN Tunnel driver (vxcan)")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vincent Mailhol <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
drivers/net/can/vxcan.c diff | blob | blame | history
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