From: syzbot <syzbot+8a249628ae32ea7de3a2@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] Re: BUG: MAX_LOCKDEP_CHAINS too low! (3)
Date: Tue, 05 Mar 2024 17:01:26 -0800 [thread overview]
Message-ID: <00000000000092a1f90612f37f35@google.com> (raw)
In-Reply-To: <00000000000069e12f05d0b78c2d@google.com>
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Subject: Re: BUG: MAX_LOCKDEP_CHAINS too low! (3)
Author: david@fromorbit.com
On Wed, Mar 06, 2024 at 11:58:18AM +1100, Dave Chinner wrote:
>
> Lockdep is hitting the maximum dependency chain tracker size:
>
> VM DIAGNOSIS:
> lock-classes: 4657 [max: 8192]
> direct dependencies: 23720 [max: 131072]
> indirect dependencies: 274342
> all direct dependencies: 1053416
> dependency chains: 65377 [max: 65536]
>
> Some of the reproducers don't involve XFS at all, but all seem to
> show something like:
>
> dependency chains: 131072 [max: 131072]
>
> So this is a core kernel or syzkaller kernel config issue and not
> an XFS issue.
>
> # syz subsystems: kernel
Ugh. try this again:
#syz set subsystems: kernel
--
Dave Chinner
david@fromorbit.com
prev parent reply other threads:[~2024-03-06 1:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-14 3:47 [syzbot] BUG: MAX_LOCKDEP_CHAINS too low! (3) syzbot
2021-12-11 22:04 ` syzbot
2024-03-06 1:01 ` syzbot [this message]
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