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From: syzbot <syzbot+cbc79a37b5fa23efd23b@syzkaller.appspotmail.com>
To: agordeev@linux.ibm.com, boqun.feng@gmail.com,
	guoweikang.kernel@gmail.com,  hdanton@sina.com,
	kent.overstreet@linux.dev, kpsingh@kernel.org,
	 linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org,
	 paulmck@kernel.org, pmladek@suse.com, rppt@kernel.org,
	rrangel@chromium.org,  syzkaller-bugs@googlegroups.com,
	urezki@gmail.com
Subject: Re: [syzbot] [bcachefs?] possible deadlock in start_poll_synchronize_rcu_expedited
Date: Mon, 02 Jun 2025 06:02:02 -0700	[thread overview]
Message-ID: <683da0ca.a00a0220.d8eae.0051.GAE@google.com> (raw)
In-Reply-To: <683447f8.a70a0220.29d4a0.0803.GAE@google.com>

syzbot has bisected this issue to:

commit 82067c916994dd1bfec65496144dc16e17899e36
Author: Kent Overstreet <kent.overstreet@linux.dev>
Date:   Fri May 9 03:21:28 2025 +0000

    bcachefs: buckets_in_flight on stack

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12fc7970580000
start commit:   3a83b350b5be Add linux-next specific files for 20250530
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11fc7970580000
console output: https://syzkaller.appspot.com/x/log.txt?x=16fc7970580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=28859360c84ac63d
dashboard link: https://syzkaller.appspot.com/bug?extid=cbc79a37b5fa23efd23b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=106ebed4580000

Reported-by: syzbot+cbc79a37b5fa23efd23b@syzkaller.appspotmail.com
Fixes: 82067c916994 ("bcachefs: buckets_in_flight on stack")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  parent reply	other threads:[~2025-06-02 13:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-26 10:52 [syzbot] [kernel?] " syzbot
2025-05-31 22:10 ` [syzbot] [bcachefs?] " syzbot
2025-06-02 13:02 ` syzbot [this message]
     [not found] <20250531232348.2486-1-hdanton@sina.com>
2025-05-31 23:42 ` syzbot
     [not found] <20250601012256.2510-1-hdanton@sina.com>
2025-06-01  1:59 ` syzbot

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