linux-kernel - Re: [PATCH] net/9p: Validate current->sighand in client.c

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Date:   Sun, 21 Jun 2020 15:56:23 +0200
From:   Dominique Martinet <asmadeus@...ewreck.org>
To:     Alexander Kapshuk <alexander.kapshuk@...il.com>
Cc:     lucho@...kov.net, ericvh@...il.com, davem@...emloft.net,
        kuba@...nel.org, v9fs-developer@...ts.sourceforge.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/9p: Validate current->sighand in client.c

Alexander Kapshuk wrote on Sun, Jun 21, 2020:
> Fix rcu not being dereferenced cleanly by using the task
> helpers (un)lock_task_sighand instead of spin_lock_irqsave and
> spin_unlock_irqrestore to ensure current->sighand is a valid pointer as
> suggested in the email referenced below.

Ack.
I'll take this once symbol issue is resolved ; thanks for your time.

-- 
Dominique