linux-kernel - Re: [syzbot] INFO: rcu detected stall in sys

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Date:   Wed, 20 Apr 2022 06:01:08 -0700
From:   syzbot <syzbot+306090cfa3294f0bbfb3@...kaller.appspotmail.com>
To:     brauner@...nel.org, fweisbec@...il.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...nel.org, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de, viro@...iv.linux.org.uk
Subject: Re: [syzbot] INFO: rcu detected stall in sys_lsetxattr

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+306090cfa3294f0bbfb3@...kaller.appspotmail.com

Tested on:

commit:         bbc1e8c5 fs: unset MNT_WRITE_HOLD on failure
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git fs.mount_setattr.cleanup
kernel config:  https://syzkaller.appspot.com/x/.config?x=c01066a8395ef6d7
dashboard link: https://syzkaller.appspot.com/bug?extid=306090cfa3294f0bbfb3
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.