Re: [syzbot] [net?] INFO: rcu detected stall in fq_pie_timer (2)

From: syzbot
Date: Thu Dec 28 2023 - 07:35:15 EST


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: { P5978 } 2756 jiffies s: 3785 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):


Tested on:

commit: f5837722 Merge tag 'mm-hotfixes-stable-2023-12-27-15-0..
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=1743f3e9e80000
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=16684981e80000