linux-kernel - Re: [syzbot] WARNING in alloc_charge

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Message-ID: <0000000000008d0beb05ec1e39e7@google.com>
Date:   Fri, 28 Oct 2022 13:37:22 -0700
From:   syzbot <syzbot+0044b22d177870ee974f@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] WARNING in alloc_charge_hpage

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: { P4090 } 2674 jiffies s: 2637 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):

Tested on:

commit:         a7038524 Merge tag 'perf_urgent_for_v6.1_rc2' of git:/..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1543d716880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=ea03ca45176080bc
dashboard link: https://syzkaller.appspot.com/bug?extid=0044b22d177870ee974f
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=1401516e880000