From: Jens Axboe <[email protected]>
To: syzbot <[email protected]>,
[email protected], [email protected],
[email protected], [email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected]
Subject: Re: KASAN: null-ptr-deref Write in kthread_use_mm
Date: Mon, 2 Nov 2020 08:19:29 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 11/2/20 4:54 AM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 4e78c578 Add linux-next specific files for 20201030
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=148969d4500000
> kernel config: https://syzkaller.appspot.com/x/.config?x=83318758268dc331
> dashboard link: https://syzkaller.appspot.com/bug?extid=b57abf7ee60829090495
> compiler: gcc (GCC) 10.1.0-syz 20200507
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17e1346c500000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1388fbca500000
>
> The issue was bisected to:
>
> commit 4d004099a668c41522242aa146a38cc4eb59cb1e
> Author: Peter Zijlstra <[email protected]>
> Date: Fri Oct 2 09:04:21 2020 +0000
>
> lockdep: Fix lockdep recursion
That bisection definitely isn't correct. But I'll take a look at the issue.
--
Jens Axboe
next prev parent reply other threads:[~2020-11-02 15:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-02 11:54 KASAN: null-ptr-deref Write in kthread_use_mm syzbot
2020-11-02 15:19 ` Jens Axboe [this message]
2020-11-02 17:38 ` Jens Axboe
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