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From: syzbot <syzbot+eec403943a2a2455adaa@syzkaller.appspotmail.com>
To: hdanton@sina.com, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] INFO: rcu detected stall in gc_worker (3)
Date: Sun, 20 Mar 2022 08:33:07 -0700	[thread overview]
Message-ID: <000000000000b1939b05daa81821@google.com> (raw)
In-Reply-To: <20220320152154.2662-1-hdanton@sina.com>

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: { 1-... } 2642 jiffies s: 2057 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Task dump for CPU 1:
task:syz-executor212 state:R  running task     stack:26424 pid: 4080 ppid:  4063 flags:0x0000000e
Call Trace:
 <TASK>
 </TASK>


Tested on:

commit:         91265a6d Add linux-next specific files for 20220303
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/
console output: https://syzkaller.appspot.com/x/log.txt?x=13f1becb700000
kernel config:  https://syzkaller.appspot.com/x/.config?x=617f79440a35673a
dashboard link: https://syzkaller.appspot.com/bug?extid=eec403943a2a2455adaa
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=11d0caeb700000


       reply	other threads:[~2022-03-20 15:33 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20220320152154.2662-1-hdanton@sina.com>
2022-03-20 15:33 ` syzbot [this message]
     [not found] <20220731094805.847-1-hdanton@sina.com>
2022-07-31 10:09 ` [syzbot] INFO: rcu detected stall in gc_worker (3) syzbot
     [not found] <20220731081548.659-1-hdanton@sina.com>
2022-07-31  8:31 ` syzbot
     [not found] <20220731074633.519-1-hdanton@sina.com>
2022-07-31  8:03 ` syzbot
     [not found] <20220321063053.2877-1-hdanton@sina.com>
2022-03-21  6:43 ` syzbot
     [not found]   ` <20220321080843.3060-1-hdanton@sina.com>
2022-03-21 21:01     ` Paul E. McKenney
     [not found] <20220321031535.2804-1-hdanton@sina.com>
2022-03-21  3:23 ` syzbot
     [not found] <20220321012046.2729-1-hdanton@sina.com>
2022-03-21  1:32 ` syzbot
2022-03-20 12:02 syzbot

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