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From: syzbot <syzbot+2e9e529ac0b319316453@syzkaller.appspotmail.com>
To: axboe@kernel.dk, hch@lst.de, hdanton@sina.com,
	linux-block@vger.kernel.org,  linux-kernel@vger.kernel.org,
	ming.lei@redhat.com, netdev@vger.kernel.org,
	 syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [block?] possible deadlock in __del_gendisk
Date: Sun, 22 Jun 2025 21:00:02 -0700	[thread overview]
Message-ID: <6858d142.a00a0220.2e5631.0004.GAE@google.com> (raw)
In-Reply-To: <6834671a.a70a0220.253bc2.0098.GAE@google.com>

syzbot has bisected this issue to:

commit f1be1788a32e8fa63416ad4518bbd1a85a825c9d
Author: Ming Lei <ming.lei@redhat.com>
Date:   Fri Oct 25 00:37:20 2024 +0000

    block: model freeze & enter queue as lock for supporting lockdep

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1024db0c580000
start commit:   e0fca6f2cebf net: mana: Record doorbell physical address i..
git tree:       net
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1224db0c580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1424db0c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d11f52d3049c3790
dashboard link: https://syzkaller.appspot.com/bug?extid=2e9e529ac0b319316453
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=132f8dd4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14aac182580000

Reported-by: syzbot+2e9e529ac0b319316453@syzkaller.appspotmail.com
Fixes: f1be1788a32e ("block: model freeze & enter queue as lock for supporting lockdep")

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

  parent reply	other threads:[~2025-06-23  4:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-26 13:05 [syzbot] [block?] possible deadlock in __del_gendisk syzbot
2025-05-27  3:12 ` syzbot
2025-06-23  4:43   ` Ming Lei
2025-06-23  4:00 ` syzbot [this message]
2025-08-02 12:43 ` Forwarded: Fix reported __del_gendisk deadlock syzbot
2025-08-02 12:54 ` Forwarded: " syzbot
2025-08-02 15:25 ` Forwarded: Re: [syzbot] [block?] possible deadlock in __del_gendisk syzbot
2025-08-02 17:55 ` Forwarded: Fix unsafe locking scenario in del_gendisk syzbot
2025-08-02 19:00 ` Forwarded: Re: [syzbot] [block?] possible deadlock in __del_gendisk syzbot
2025-08-02 19:11 ` syzbot
     [not found] <20250527112459.2370-1-hdanton@sina.com>
2025-05-27 11:42 ` syzbot
     [not found] <20250528105149.2400-1-hdanton@sina.com>
2025-05-28 11:07 ` syzbot
     [not found] <20250529102503.2425-1-hdanton@sina.com>
2025-05-29 10:41 ` syzbot
     [not found] <CALkFLLKa454W2SGq3aGY+WxOHkx7bAkVAZO7vpXU0v7h6dQtOg@mail.gmail.com>
2025-08-02 12:45 ` syzbot
     [not found] <CALkFLLJjzTD3HpPLnaKwVKn-47rJQBghaSrpZCT8Nrbf3CiH9g@mail.gmail.com>
2025-08-02 13:09 ` syzbot
     [not found] <CALkFLL+Lcs=wiD11AxJGt9zQ0k3Lo23ppJ2yRbW3qLV7ZOi7+A@mail.gmail.com>
2025-08-02 15:45 ` syzbot
     [not found] <CALkFLLLFkpaTLff6E4wUA-fYBZM69u0azLF+frYZrf9eSuRzJQ@mail.gmail.com>
2025-08-02 22:33 ` syzbot
     [not found] <CALkFLL+WiKWCw1zOPhBJZ=wLQjZPYvhUhEoxDOmeO8F_w7Vmng@mail.gmail.com>
2025-08-02 22:44 ` syzbot
     [not found] <CALkFLL+Rdkg+-WA+Jb10QfnPoiYpVqHRi+NUvNiAw=XLe6kuhg@mail.gmail.com>
2025-08-02 23:17 ` syzbot

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