linux-kernel - Re: [PATCH] tty: fix memory leak in gsm_activate

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Message-ID: <2023091826-spherical-shindig-016b@gregkh>
Date:   Mon, 18 Sep 2023 10:06:58 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Edward AD <eadavis@...a.com>
Cc:     syzbot+b5d1f455d385b2c7da3c@...kaller.appspotmail.com,
        jirislaby@...nel.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] tty: fix memory leak in gsm_activate_mux

On Fri, Sep 15, 2023 at 07:23:24PM +0800, Edward AD wrote:
> When the call to gsm_register_devices() fails, we need to reclaim the memory
> requested in gsm_dlci_alloc().
> 
> Fixes: 01aecd917114 ("tty: n_gsm: fix tty registration before control channel open")
> Reported-and-tested-by: syzbot+b5d1f455d385b2c7da3c@...kaller.appspotmail.com
> Signed-off-by: Edward AD <eadavis@...a.com>
> ---
>  drivers/tty/n_gsm.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

This message never made it to lore.kernel.org, so you might need to fix
up your email system so that it doesn't get dropped from there.

Can you do so and resend?

thanks,

greg k-h