netdev - Re: [PATCH] rtlwifi: Fix non-canonical address access issues

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Date:   Sat,  7 Nov 2020 15:50:15 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     WeitaoWangoc <WeitaoWang-oc@...oxin.com>
Cc:     <pkshih@...ltek.com>, <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <tonywwang@...oxin.com>,
        <weitaowang@...oxin.com>, <CobeChen@...oxin.com>,
        <TimGuo@...oxin.com>, <wwt8723@....com>
Subject: Re: [PATCH] rtlwifi: Fix non-canonical address access issues

WeitaoWangoc <WeitaoWang-oc@...oxin.com> wrote:

> During realtek USB wireless NIC initialization, it's unexpected
> disconnection will cause urb sumbmit fail. On the one hand,
> _rtl_usb_cleanup_rx will be called to clean up rx stuff, especially for
> rtl_wq. On the other hand, disconnection will cause rtl_usb_disconnect
> and _rtl_usb_cleanup_rx to be called. So, rtl_wq will be flush/destroy
> twice, which will cause non-canonical address 0xdead000000000122 access
> and general protection fault.
> 
> Fixed this issue by remove _rtl_usb_cleanup_rx when urb sumbmit fail.
> 
> Signed-off-by: WeitaoWangoc <WeitaoWang-oc@...oxin.com>
> Acked-by: Ping-Ke Shih <pkshih@...ltek.com>

Patch applied to wireless-drivers-next.git, thanks.

c521d7e0ff05 rtlwifi: Fix non-canonical address access issues

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1603768580-2798-1-git-send-email-WeitaoWang-oc@zhaoxin.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches