From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 7B41C5D732 for ; Thu, 14 Mar 2024 08:20:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710404405; cv=none; b=S6itWeBuzxRMpNVTl4vPgII47Chb3ZzH90dqDVOaxeCq98kEz8++lGnc+wzpSwGVEtGMZ4tELUBUJMxM4/1M2OqGoNgTn2kndbRp1vSJoeXkk7dv7ZwKXpq7nbHOc8/BpnRUai4evJ5yo+bzcFIe35QZOjniFD6J04AzuBv/ke4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710404405; c=relaxed/simple; bh=pLijTaaGqsNYpZ0JNU5AhEhkoq1KNqhkwOPIbIgdc+o=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=s047dXr09z59+lFMbP3jleGcjXG3Keo8hSTUohk6H3Iis3eh5IiKTzLy+H7yY7XmH5PdJ8Qgue+J6SasjSkxb6zBxujHAjPXSuCOhlBd45VGh0VWY4fhMCtcMZuIoAvGbrfDrjf8ZwZBPuc+qhuedgghV/1xwuFws4k4oQpgYIU= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3667abe11b3so8972165ab.1 for ; Thu, 14 Mar 2024 01:20:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710404403; x=1711009203; 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=A3oPJoshpwChDZFULBNEY3r7ZShFReyEiNklWPwNBME=; b=EW0i78rXIzCF1SVtXE7Tk+D+fltfl1qntqxwuASQlsE3NFIbPyaxRHZrr3d4k79pCd x4bamDonir5KNz3EdwDMLb1WZak3mTtFVT3cdjaRsVf0ju42Dg0gjul5ygjbD7S3twLf 7OHPxO9pmMFM2KygETGwORgWa/G+U9M4DzxG7peA/XrbiZBue4Wipx4ind8itBnFCwVo tui1vaKY7D5yGYT5XH/4GEExgcISIwxzRl67sUS5kDzPemhVaCC28SLvwU19nbVMuVcQ Ayu3OwGjUbs40olMw1PFr5HJMBYJScOME0G3/wynTfbzYlz6uA+9sQyfCgcrzhlbzCo6 k6cQ== X-Forwarded-Encrypted: i=1; AJvYcCVa63ydYn4uBb4pndL1xOaYwz0jr5WbKAQl3p7l2VeoLch3D4fBFgj6AjhXrAmeMKpUnN8Zbs97O9oRAqrGLPGdhPY+6x2MevJYgqHq X-Gm-Message-State: AOJu0Yxz8Yw48iQgPJL1rgQyw2PlyuWbVW4kJ3KjUDcSGT/feKw7KMgP N+nbd3ZVY6GKKdSDXfcaEew7XD9ERMoUFjCMPQOtD2Mm0YIvPam+sQmxuj4WsXyH1bajpGciP/9 wqvGU2OEK71IFyukr9EYJJljT3ypssj0LWnWYMc4Oq8alIN4utne26tM= X-Google-Smtp-Source: AGHT+IGexVF6kJHRixtfNWM8O/jW6bGVIion56trq7RgTz7dZZkEAJtou7mSjuVdQejwGM09vC7glKeZOwRjRP/DuOabm7RUKmFH Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1e0c:b0:365:1f2b:7be8 with SMTP id g12-20020a056e021e0c00b003651f2b7be8mr85926ila.5.1710404403446; Thu, 14 Mar 2024 01:20:03 -0700 (PDT) Date: Thu, 14 Mar 2024 01:20:03 -0700 In-Reply-To: <0000000000009c31e605ee9c1a13@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e3d63206139a8e1a@google.com> Subject: Re: [syzbot] [hfs?] possible deadlock in hfsplus_block_allocate From: syzbot To: akpm@linux-foundation.org, fmdefrancesco@gmail.com, ira.weiny@intel.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, seanjc@google.com, slava@dubeyko.com, syzkaller-bugs@googlegroups.com, yongwei.ma@intel.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 427c76aed29ec12a57f11546a5036df3cc52855e Author: Sean Christopherson Date: Sat Jul 29 01:35:32 2023 +0000 KVM: x86/mmu: Bug the VM if write-tracking is used but not enabled bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1779a8c9180000 start commit: 61387b8dcf1d Merge tag 'for-6.9/dm-vdo' of git://git.kerne.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14f9a8c9180000 console output: https://syzkaller.appspot.com/x/log.txt?x=10f9a8c9180000 kernel config: https://syzkaller.appspot.com/x/.config?x=e30ff6b515606856 dashboard link: https://syzkaller.appspot.com/bug?extid=b6ccd31787585244a855 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=129e58c9180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154b15d6180000 Reported-by: syzbot+b6ccd31787585244a855@syzkaller.appspotmail.com Fixes: 427c76aed29e ("KVM: x86/mmu: Bug the VM if write-tracking is used but not enabled") For information about bisection process see: https://goo.gl/tpsmEJ#bisection