Re: [PATCH] serial: core: don't kfree device managed data

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On Tue, Jun 06, 2023 at 03:28:43PM +0300, Tony Lindgren wrote:
> * Dan Carpenter <dan.carpenter@xxxxxxxxxx> [230606 08:26]:
> > The put_device() function will call serial_base_ctrl_release() or
> > serial_base_port_release() so these kfrees() are a double free bug.
> > 
> > Fixes: 84a9582fd203 ("serial: core: Start managing serial controllers to enable runtime PM")
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> 
> Thanks for catching it:
> 
> Reviewed-by: Tony Lindgren <tony@xxxxxxxxxxx>

Be careful, we can now get memory leaks :-)

-- 
With Best Regards,
Andy Shevchenko





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