From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 DB0B018B0A for ; Thu, 15 Jan 2026 03:46:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768448765; cv=none; b=lMmU1TtVdnRZujJWS38NL/XaWXVHCsrReR1Bn8Tr+XMYN4FbsQZrtbQDWdEKDLz9m3VQNvuriQ5IFelsCU0XRayl3HuUHdqWNveS3kQ3ugPofIJUjYZFM/mYzlR9o39qvthNo+Y2ZzxAfGof1Aw6NEbiTil3Zauuc0PL/z8tM04= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768448765; c=relaxed/simple; bh=bT5HcmC5+wO/KbvlA9M5kSneNS3tJqjXvXYIZsrq9lo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=TkmG2a6e8L2kT7rWkn+GkCS+lH5YQzRrP36DonbIv6DG6yGkMXIAfXiRLyQStdOhP5X1esdoZ3l1K4z2QlWShu00oFmnl8jr7QFdko1ubeoajhnfjPFLWVkGgEPiE9Em7f7e8CaPE7p3yFoqC5xNNAkrAEaiZUFt4G8YhBtBuvg= 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=209.85.161.70 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-oo1-f70.google.com with SMTP id 006d021491bc7-65f6588abf4so1554186eaf.1 for ; Wed, 14 Jan 2026 19:46:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768448763; x=1769053563; 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=vej2+5L8sPfHEsZgfR5mpdQs3d/DGL7H7pG0dJcOTrI=; b=FhB7znBsF+vYkjg6h3m1sT228wjWS2UKb7ORtTa9UyIr5eG4BKFxX7gRHaT/YJ/GbX 2K7SU/VL7E82YVpY9S2r3ajt8rBX6CawnG/3dgYnz1QLvJUOt4d+wRNRwXuM2mdXk9Ad n2Dy6SzISVUWJOMVworFjlL7j62caqm7O4V2/afgMMde3OCCIRDqFxZpl8SQwm4xAzqX qEzopScu5c47RoKGabPA4simFthh4glSRUnhxlsKIKUFWp04UQHdIhxO6A4vx7/AUjCe MnD6IePTJyHoeByTP9awc0pw+Kpzwm+secPd3sjSR9sFyygFg5TsS7KK26oEABQaxkfx fXMw== X-Forwarded-Encrypted: i=1; AJvYcCW91WuKstLaT4S79FUX8F5vyIzSgLiNS8ZcR1o4rHKD0J8nUX0TwTUde8fhF2TKpf3Uptf370O40xxbEt0=@vger.kernel.org X-Gm-Message-State: AOJu0YyWLusmgRySANltp6hL+qhpemOVY2A+v2qvx+HneFQlsfra2WRm /fpzkJvPXcya9pIETQqBSyxyZlNiIWAO8pP3Fhlwv6vjUDUbWabdg68oYmJiUeSq3U6dqclVXrr B2VcnA0VnSOObc9e9HhDHiVeeEQr+67UaXscESd0+2jIa8GRolHDGj/21cCA= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:198e:b0:659:9a49:8ec7 with SMTP id 006d021491bc7-661007251f0mr3916539eaf.75.1768448762819; Wed, 14 Jan 2026 19:46:02 -0800 (PST) Date: Wed, 14 Jan 2026 19:46:02 -0800 In-Reply-To: <676c3718.050a0220.2f3838.037f.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <696862fa.050a0220.58bed.000b.GAE@google.com> Subject: Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_set_new_buffer_uptodate (2) From: syzbot To: akpm@linux-foundation.org, dmantipov@yandex.ru, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, kartikey406@gmail.com, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org, mark@fasheh.com, ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 93ce0ff117b0c468961d7c296a03ad57e1e8da9f Author: Deepanshu Kartikey Date: Thu Oct 30 15:30:03 2025 +0000 ocfs2: validate cl_bpc in allocator inodes to prevent divide-by-zero bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=143ebd9a580000 start commit: 499551201b5f Merge tag 'arm64-fixes' of git://git.kernel.o.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=6a2b862bf4a5409f dashboard link: https://syzkaller.appspot.com/bug?extid=7aef76bdb53b83d62a9e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=136ab2df980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=124f6f30580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: ocfs2: validate cl_bpc in allocator inodes to prevent divide-by-zero For information about bisection process see: https://goo.gl/tpsmEJ#bisection