On Tue, 25 Jul 2023, Zheng Wang wrote:
> In ravb_probe, priv->work was bound with ravb_tx_timeout_work.
> If timeout occurs, it will start the work. And if we call
> ravb_remove without finishing the work, there may be a
> use-after-free bug on ndev.
>
> Fix it by finishing the job before cleanup in ravb_remove.
>
> Note that this bug is found by static analysis, it might be
> false positive.
>
> Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
> Signed-off-by: Zheng Wang <zyytlz.wz@xxxxxxx>
> Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
> ---
> v4:
> - add information about the bug was found suggested by Yunsheng Lin
> v3:
> - fix typo in commit message
> v2:
> - stop dev_watchdog so that handle no more timeout work suggested by Yunsheng Lin,
> add an empty line to make code clear suggested by Sergey Shtylyov
> ---
> drivers/net/ethernet/renesas/ravb_main.c | 3 +++
> 1 file changed, 3 insertions(+)
Trying my best not to sound like a broken record, but ...
What's the latest with this fix? Is a v5 en route?
--
Lee Jones [李琼斯]
