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

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* Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> [230606 13:17]:
> 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 :-)

I'll start doing Reviewed-by-my-hazy-understanding :)

Regards,

Tony



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