linux-kernel - Re: [PATCH] epic100: fix use after free on rmmod

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Message-ID: <Yrh2Om1c7ins9VrK@electric-eye.fr.zoreil.com>
Date:   Sun, 26 Jun 2022 17:07:38 +0200
From:   Francois Romieu <romieu@...zoreil.com>
To:     Tong Zhang <ztong0001@...il.com>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Arnd Bergmann <arnd@...db.de>, Jason Gunthorpe <jgg@...pe.ca>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Netdev <netdev@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Yilun Wu <yiluwu@...stonybrook.edu>
Subject: Re: [PATCH] epic100: fix use after free on rmmod

Tong Zhang <ztong0001@...il.com> :
[...]
> Looks like drivers/net/ethernet/smsc/epic100.c is renamed from
> drivers/net/epic100.c and this bug has been around since the very
> initial commit.
> What would you suggest ? Remove the fix tag or use
> Fix: 1da177e4c3f4 ("Linux-2.6.12-rc2")

'Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")' has already been signed-by or
directly used by maintainers, including netdev ones. See:

$ git log --grep='^Fixes: 1da177e4c3f4'

The patch will require some change for pre-5.9 stable kernels due to
63692803899b563f94bf1b4f821b574eb74316ae "epic100: switch from 'pci_' to 'dma_' API".

-- 
Ueimor