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From: syzbot <syzbot+80e5d6f453f14a53383a@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, ayaanmirza.788@gmail.com,
	 ayaanmirzabaig85@gmail.com, josh@joshtriplett.org,
	kent.overstreet@linux.dev,  linux-bcachefs@vger.kernel.org,
	linux-kernel@vger.kernel.org,  linux-mm@kvack.org,
	luto@kernel.org, paulmck@kernel.org, peterz@infradead.org,
	 rcu@vger.kernel.org, syzkaller-bugs@googlegroups.com,
	tglx@linutronix.de
Subject: Re: [syzbot] [bcachefs?] [rcu?] BUG: unable to handle kernel NULL pointer dereference in rcu_core (3)
Date: Sat, 07 Jun 2025 23:58:03 -0700	[thread overview]
Message-ID: <6845347b.050a0220.d8705.000c.GAE@google.com> (raw)
In-Reply-To: <67a2b20a.050a0220.50516.0003.GAE@google.com>

syzbot has bisected this issue to:

commit 14152654805256d760315ec24e414363bfa19a06
Author: Kent Overstreet <kent.overstreet@linux.dev>
Date:   Mon Nov 25 05:21:27 2024 +0000

    bcachefs: Bad btree roots are now autofix

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12fa0a82580000
start commit:   99fa936e8e4f Merge tag 'affs-6.14-rc5-tag' of git://git.ke..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11fa0a82580000
console output: https://syzkaller.appspot.com/x/log.txt?x=16fa0a82580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=523d3ff8e053340a
dashboard link: https://syzkaller.appspot.com/bug?extid=80e5d6f453f14a53383a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=119d35a8580000

Reported-by: syzbot+80e5d6f453f14a53383a@syzkaller.appspotmail.com
Fixes: 141526548052 ("bcachefs: Bad btree roots are now autofix")

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


  parent reply	other threads:[~2025-06-08  6:58 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-05  0:34 [syzbot] [rcu?] [bcachefs?] " syzbot
2025-02-05 14:56 ` Paul E. McKenney
2025-06-08 15:26   ` Kent Overstreet
2025-06-08 18:23     ` Uladzislau Rezki
2025-06-09  0:25       ` Paul E. McKenney
2025-06-09  8:35         ` Uladzislau Rezki
2025-06-09  9:47           ` Paul E. McKenney
2025-06-09 14:20             ` Joel Fernandes
2025-06-10 12:19               ` Uladzislau Rezki
2025-06-09 18:28       ` Vlastimil Babka
2025-06-10 12:33         ` Uladzislau Rezki
2025-06-08  6:58 ` syzbot [this message]
2025-06-11 15:58 ` Uladzislau Rezki
2025-06-11 18:02   ` [syzbot] [bcachefs?] [rcu?] " syzbot
2025-06-11 19:15     ` Uladzislau Rezki
2025-06-11 19:57       ` syzbot
2025-06-11 20:58         ` Boqun Feng
2025-06-12  7:42           ` Aleksandr Nogikh
2025-06-12  9:37             ` Uladzislau Rezki
2025-06-12 17:20               ` Boqun Feng

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