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Date: Thu, 26 Oct 2017 10:55:58 -0700 From: Tejun Heo <tj@...nel.org> To: Lai Jiangshan <jiangshanlai@...il.com> Cc: Li Bin <huawei.libin@...wei.com>, LKML <linux-kernel@...r.kernel.org>, tanxiaofei@...wei.com, guohanjun@...wei.com Subject: Re: [PATCH] workqueue: Fix NULL pointer dereference Hello, On Thu, Oct 26, 2017 at 11:55:00PM +0800, Lai Jiangshan wrote: > I remember that softirq can be invoked when irq_eixt(), > and in this case the current->current_pwq is also NULL > if __queue_work() is called in the soft irq. > > So in_task() might be better than !in_irq() for the fix? Reverted the patch for now. Li, what do you think? Thanks. -- tejun
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