linux-kernel - Re: [syzbot] [net?] INFO: rcu detected stall in fq_pie

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Message-ID: <0000000000000fd27c060da413f5@google.com>
Date: Fri, 29 Dec 2023 03:10:05 -0800
From: syzbot <syzbot+15c3ba3f7ca8ced0914d@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net?] INFO: rcu detected stall in fq_pie_timer (2)

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: { 0-.... } 2652 jiffies s: 13037 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Tested on:

commit:         8735c7c8 Merge tag '6.7rc7-smb3-srv-fix' of git://git...
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=16b4a855e80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c7bcb8f62f1e2c3e
dashboard link: https://syzkaller.appspot.com/bug?extid=15c3ba3f7ca8ced0914d
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=17522dcee80000