linux-kernel - Re: [syzbot] [bcachefs?] possible deadlock in start_poll_synchronize_rcu

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Message-ID: <683bb3e7.a00a0220.d8eae.0023.GAE@google.com>
Date: Sat, 31 May 2025 18:59:03 -0700
From: syzbot <syzbot+cbc79a37b5fa23efd23b@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] possible deadlock in start_poll_synchronize_rcu_expedited

Hello,

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

Reported-by: syzbot+cbc79a37b5fa23efd23b@...kaller.appspotmail.com
Tested-by: syzbot+cbc79a37b5fa23efd23b@...kaller.appspotmail.com

Tested on:

commit:         4cb6c8af selftests/filesystems: Fix build of anon_inod..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12e7bed4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e413b6de2bc0230
dashboard link: https://syzkaller.appspot.com/bug?extid=cbc79a37b5fa23efd23b
compiler:       Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
patch:          https://syzkaller.appspot.com/x/patch.diff?x=13c5200c580000

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