linux-kernel - RE: [EXT] [PATCH net-next v3 1/2] nfc: llcp_core: Hold a ref to llcp_local->dev when holding a ref to llcp

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Message-ID: <SJ0PR18MB521667A84DB15641FCE03F8FDB85A@SJ0PR18MB5216.namprd18.prod.outlook.com>
Date:   Tue, 5 Dec 2023 11:04:25 +0000
From:   Suman Ghosh <sumang@...vell.com>
To:     Siddh Raman Pant <code@...dh.me>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "syzbot+bbe84a4010eeea00982d@...kaller.appspotmail.com" 
        <syzbot+bbe84a4010eeea00982d@...kaller.appspotmail.com>
Subject: RE: [EXT] [PATCH net-next v3 1/2] nfc: llcp_core: Hold a ref to
 llcp_local->dev when holding a ref to llcp_local

>Reported-and-tested-by:
>syzbot+bbe84a4010eeea00982d@...kaller.appspotmail.com
>Closes: https://urldefense.proofpoint.com/v2/url?u=https-
>3A__syzkaller.appspot.com_bug-3Fextid-
>3Dbbe84a4010eeea00982d&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=7si3Xn9Ly-
>Se1a655kvEPIYU0nQ9HPeN280sEUv5ROU&m=Y51GaQT3fKSNuGmD-
>9dRkeRq59DJDzTJ7yEh86VaPxCJP7TBLuK6eYKAw-fnG7-
>c&s=NUdyCeltsQ_6_rZPnNvgfyPleIYGMaSIN1sC1zqpV7Y&e=
>Fixes: c7aa12252f51 ("NFC: Take a reference on the LLCP local pointer
>when creating a socket")
>Signed-off-by: Siddh Raman Pant <code@...dh.me>
>---
Reviewed-by: Suman Ghosh <sumang@...vell.com>

> net/nfc/llcp_core.c | 24 ++++++++++++++++++++++--
> 1 file changed, 22 insertions(+), 2 deletions(-)