linux-kernel - Re: [syzbot] inconsistent lock state in sync_info_debugfs

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Message-ID: <000000000000793ce105edd0969e@google.com>
Date:   Sat, 19 Nov 2022 02:50:17 -0800
From:   syzbot <syzbot+007bfe0f3330f6e1e7d1@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] inconsistent lock state in sync_info_debugfs_show

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: { P4107 } 2631 jiffies s: 2805 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):

Tested on:

commit:         84368d88 Merge tag 'soc-fixes-6.1-3' of git://git.kern..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=146d20fd880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6f4e5e9899396248
dashboard link: https://syzkaller.appspot.com/bug?extid=007bfe0f3330f6e1e7d1
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=120fe909880000