Re: [syzbot] WARNING in io_sync_cancel

From: Jens Axboe
Date: Wed Dec 21 2022 - 10:44:48 EST


On 12/21/22 8:17 AM, syzbot wrote:
> Hello,
>
> syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> INFO: rcu detected stall in corrupted
>
> rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P5788 } 2646 jiffies s: 2841 root: 0x0/T
> rcu: blocking rcu_node structures (internal RCU debug):

#syz test: git://git.kernel.dk/linux.git io_uring-6.2

--
Jens Axboe