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SubjectRe: [PATCH 1/1] io_uring: fix lazy work init
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On 6/15/20 7:36 AM, Pavel Begunkov wrote:
> Don't leave garbage in req.work before punting async on -EAGAIN
> in io_iopoll_queue().
>
> [ 140.922099] general protection fault, probably for non-canonical
> address 0xdead000000000100: 0000 [#1] PREEMPT SMP PTI
> ...
> [ 140.922105] RIP: 0010:io_worker_handle_work+0x1db/0x480
> ...
> [ 140.922114] Call Trace:
> [ 140.922118] ? __next_timer_interrupt+0xe0/0xe0
> [ 140.922119] io_wqe_worker+0x2a9/0x360
> [ 140.922121] ? _raw_spin_unlock_irqrestore+0x24/0x40
> [ 140.922124] kthread+0x12c/0x170
> [ 140.922125] ? io_worker_handle_work+0x480/0x480
> [ 140.922126] ? kthread_park+0x90/0x90
> [ 140.922127] ret_from_fork+0x22/0x30

Applied, thanks.

--
Jens Axboe

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