From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE7DEA55 for ; Sun, 8 Jun 2025 06:58:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749365885; cv=none; b=mkMOb0kJTLlc2R4+ppydaqe0zqgjqe2RNrX1LCeme/R6C6hCSZbaCWv06+QOXS12aGu3IUzpInRqQ1ZMt37ZzC0vHWU5NX0a3fkCRButW/3Osj3/nSzxyjcJTHY2trtdjRkU9mue9KzbmFBvpZR2D5L+gUUDrdJc+nRP+q4AZc0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749365885; c=relaxed/simple; bh=hVWo4GD3VhvuKTf8CoKVWw7dN2hdQPhzrdo+CeBpT2A=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=oVeHihFJ4fhqqfIdcFKvsZrojBt2GpAtLuxSypAjCxM/YXuAD16Hqee/m0MKylttlWR7On/pCI2dFnmkowiiEyn92aMDvkjKv6K0447m0xdbt8ter3RNPYVi0QEysoWrZS0R3OL6HscesNm1KHs2LazCMyd98Kky7VeswW0hE64= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3ddbb34fc1cso41058605ab.1 for ; Sat, 07 Jun 2025 23:58:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749365883; x=1749970683; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=84bg0eAOl4RoDt6abU4tGy6GN7YB+Z7N/qFLriE8C/s=; b=SE+GddTmsLqX7zV8b2Qw+Xm2nomhhgTRHQwoVDnN+GtFg8AhG5KaiS5QTS+M1ZS26L N8BN3tf5Mxl6YwXMySGWEThy8B++sOaL+BGrviL61a6W5wjte9/PJXuzMYCc1jJBlyDC 1PL6yAvVR/fnbwvJjc2Y6bxdY7atcWP2cNhs7PPVXMYvGFT5LMGFg1Ta4yklUHBZTuyJ A9J1cWctTcubTH0r83AG/NOmjXgRMIVBQD8Hua2i3siLcv5jgHfGK8NCyu7v49pTK3R4 jMnfgVHulFhTV6mX2ZW+PmAzmTIM8tdZ9wbbfm/PyN5+6fNhJl1qYpxmWlLt59O6MwTo Uqaw== X-Forwarded-Encrypted: i=1; AJvYcCW1BCambKrzJcczg9CaebYbQHKWkF/0vfGfreUbyxBWu2mlyTf2RP4lkKAS7c5ijoC42yg=@vger.kernel.org X-Gm-Message-State: AOJu0YyeV1UskILsb14br3lVxqUmt/k3lcNTkmu8J7IKu0CwWfDWjvxG 7f/jS0pmofIjmRqBbeq4cKFmethza3eeRcSDZ6vJ1FE66+LyV1GdxxIA72TEsoDvCY+bGCVb2Pp jKWlJz4OyM4Xu9PNmC9EUEF7jOPN4NHIw5yeedJYLoZIE5zZ5aGOeCMChnzY= X-Google-Smtp-Source: AGHT+IFJAyOgYOZCDWobVWxcQYMe9z3fAwvKf43nlq/XKaJo+ZcNMRmq2P3CMhJgBiuXH0Nhtimb2FbWPDDWOEx1ZdgN0jVi4i3f Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:17c9:b0:3dd:d365:78bf with SMTP id e9e14a558f8ab-3ddd365790dmr80334435ab.22.1749365883085; Sat, 07 Jun 2025 23:58:03 -0700 (PDT) Date: Sat, 07 Jun 2025 23:58:03 -0700 In-Reply-To: <67a2b20a.050a0220.50516.0003.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6845347b.050a0220.d8705.000c.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] [rcu?] BUG: unable to handle kernel NULL pointer dereference in rcu_core (3) From: syzbot 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 Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 14152654805256d760315ec24e414363bfa19a06 Author: Kent Overstreet 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