linux-kernel - Re: [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode

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Message-ID: <68885247.a00a0220.b12ec.00c8.GAE@google.com>
Date: Mon, 28 Jul 2025 21:47:03 -0700
From: syzbot <syzbot+2642f347f7309b4880dc@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop

Hello,

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

Reported-by: syzbot+2642f347f7309b4880dc@...kaller.appspotmail.com
Tested-by: syzbot+2642f347f7309b4880dc@...kaller.appspotmail.com

Tested on:

commit:         ae388edd Merge tag 'landlock-6.17-rc1' of git://git.ke..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13dd1782580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=97ec33249d4bfda3
dashboard link: https://syzkaller.appspot.com/bug?extid=2642f347f7309b4880dc
compiler:       Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
patch:          https://syzkaller.appspot.com/x/patch.diff?x=133e94a2580000

Note: testing is done by a robot and is best-effort only.