linux-kernel - Re: [syzbot] BUG: corrupted list in p9_fd

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Message-ID: <00000000000076ee7c05ebc0238d@google.com>
Date:   Sun, 23 Oct 2022 21:22:24 -0700
From:   syzbot <syzbot+9b69b8d10ab4a7d88056@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] BUG: corrupted list in p9_fd_cancel (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: { P4081 } 2640 jiffies s: 2857 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):

Tested on:

commit:         aae703b0 Merge tag 'for-6.1-rc1-tag' of git://git.kern..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=161be616880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4789759e8a6d5f57
dashboard link: https://syzkaller.appspot.com/bug?extid=9b69b8d10ab4a7d88056
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=153d373a880000