linux-kernel - Re: [syzbot] KASAN: wild-memory-access Read in io_wq_worker

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Message-ID: <df7cb4c5-eae8-1aa4-2c1d-4cbf3c651c1a@kernel.dk>
Date:   Sun, 8 Jan 2023 20:21:24 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     syzbot <syzbot+d56ec896af3637bdb7e4@...kaller.appspotmail.com>,
        asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: wild-memory-access Read in io_wq_worker_running

On 1/8/23 7:34 PM, 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: { P5774 } 2664 jiffies s: 2777 root: 0x0/T
> rcu: blocking rcu_node structures (internal RCU debug):

Don't think that's related, probably because of the earlier base of
that branch. Let's try something that's merged to current master:

#syz test: git://git.kernel.dk/linux.git syztest

-- 
Jens Axboe