linux-kernel - Re: [Question] does there have another fix for ldisc crash instead of "tty: Fix ldisc crash on reopened tty" ?

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Message-ID: <20171129080248.GA1918@kroah.com>
Date:   Wed, 29 Nov 2017 09:02:48 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Tan Xiaojun <tanxiaojun@...wei.com>
Cc:     peter@...leysoftware.com, dvyukov@...gle.com, sfr@...b.auug.org.au,
        mpatocka@...hat.com, mikey@...ling.org,
        "linux-kernel@...r.kernel.org >> LKML" <linux-kernel@...r.kernel.org>
Subject: Re: [Question] does there have another fix for ldisc crash instead
 of "tty: Fix ldisc crash on reopened tty" ?

On Wed, Nov 29, 2017 at 03:57:51PM +0800, Tan Xiaojun wrote:
> Hi, all,
> 
> 	I test in a Arm64 fpga board (Hisilicon D06 fpga) with kernel-stable-4.14.2, then I get a panic log attached in the end.
> 
> 	I found this problem try to be fixed before by the patch "tty: Fix ldisc crash on reopened tty", and it was reverted
> 	shortly thereafter because of conflicting with another patch and may not fix completely.
> 
> 	But this problem is still here. Are there any better fixed patch now ?

Nope, care to work on one?

thanks,

greg k-h