linux-kernel - Re: [PATCH net v2] net: wwan: iosm: fix memory leak in ipc_wwan

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Message-ID: <20221027104608.246aa30c@kernel.org>
Date:   Thu, 27 Oct 2022 10:46:08 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     "zhaoping.shu" <zhaoping.shu@...iatek.com>,
        John 'Warthog9' Hawley <warthog9@...nel.org>
Cc:     <m.chetan.kumar@...el.com>, <linuxwwan@...el.com>,
        <loic.poulain@...aro.org>, <ryazanov.s.a@...il.com>,
        <johannes@...solutions.net>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <pabeni@...hat.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <srv_heupstream@...iatek.com>, <haijun.liu@...iatek.com>,
        <xiayu.zhang@...iatek.com>, <lambert.wang@...iatek.com>,
        "hw . he" <hw.he@...iatek.com>
Subject: Re: [PATCH net v2] net: wwan: iosm: fix memory leak in
 ipc_wwan_dellink

On Thu, 27 Oct 2022 15:02:06 +0800 zhaoping.shu wrote:
> From: hw.he <hw.he@...iatek.com>
> 
> IOSM driver registers network device without setting the
> needs_free_netdev flag, and does NOT call free_netdev() when
> unregisters network device, which causes a memory leak.
> 
> This patch sets needs_free_netdev to true when registers
> network device, which makes netdev subsystem call free_netdev()
> automatically after unregister_netdevice().
> 
> Fixes: 2a54f2c77934 ("net: iosm: net driver")
> Signed-off-by: hw.he <hw.he@...iatek.com>
> Reviewed-by: Loic Poulain <loic.poulain@...aro.org>
> Signed-off-by: zhaoping.shu <zhaoping.shu@...iatek.com>

Annoyingly the patches are still not making it to the list.

John, any hints you can gather from vger's logs? The patches
were resent 3 times with a 0 success rate.

Last time we hit this was with Gmail, but it doesn't seem like
mediatek.com is using Google Mail?