public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
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 18:32:12 -0700	[thread overview]
Message-ID: <000000000000390a4c05dab07752@google.com> (raw)
In-Reply-To: <20220321012046.2729-1-hdanton@sina.com>

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: rcu detected stall in corrupted

IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 2628 jiffies s: 2065 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Task dump for CPU 0:
task:syz-executor354 state:R  running task     stack:27224 pid: 4078 ppid:  4061 flags:0x0000400e
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=16355271700000
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=17b1f271700000


       reply	other threads:[~2022-03-21  1:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20220321012046.2729-1-hdanton@sina.com>
2022-03-21  1:32 ` 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] <20220320152154.2662-1-hdanton@sina.com>
2022-03-20 15:33 ` syzbot
2022-03-20 12:02 syzbot

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=000000000000390a4c05dab07752@google.com \
    --to=syzbot+eec403943a2a2455adaa@syzkaller.appspotmail.com \
    --cc=hdanton@sina.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=syzkaller-bugs@googlegroups.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox