From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 210343B14AE for ; Thu, 17 Sep 2026 08:25:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789633518; cv=none; b=O2lEYV24OyF/tRXKVqOZOJaYYc/PXRgGg2ZnwtKYe08O853RwafAnKLHi1EysTg7YJOFr//gIaPJFLF1L3tN9HyEw+8IOQEFHDWh3qM2NKP1wmyTTI4HYo7k1opMBZUYhP4YRGEGAstNYFodVSHiiCb5Au/YMRbJPWQwIOOsPxw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789633518; c=relaxed/simple; bh=xzCxCEzUowtsPxWMbDjD1lRzfaA5w83hr58sbAM2xcM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=JDOueAS3RcQS2UZilAxNH8e9reM4aGkVrRldLOewp/HiYLHbFBQj+n1n8f3zsmRX9agz7Lg/sq/z/XdtGBW5OBs4oPPyAVFmlxTXB2z0JExLbufvZVGca/UreW2/w7xSr3Ycllva0XbDNGGkkIJzbk4iQQKAtYt0p6ojlZBwR+c= 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=209.85.167.200 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-oi1-f200.google.com with SMTP id 5614622812f47-4ab4f652f9bso494573b6e.0 for ; Thu, 17 Sep 2026 01:25:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789633502; x=1790238302; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=uBkL6ZMYYdQOBhaz18ohIP2qWIBpLXjs4rOb70E61hY=; b=fW8Rvq5ude5uk72R1HwcXjVPPGegBaOWdpqbmR4kx1AMkWt84m/l+UA/zhYFw4GfDw J/T0HEevcRcIg2SSRofzUcN/+7ek5mtZswJbV9KBTPXVSGeMOTknWaPf5aRVcnnhq6fP j7kJkHNSbuYDtelhToL8LDwH0yJ5TyjfS43Oq5MU0xjDnexQ/DdfxC5cNOJTGPLZfvFh 1P1S7dYXM7bkXgwTdluOmN3PTD544s72t5oLGQFANX2iXZa8v/yqIwp1YnM7grSs6JLQ 9ggZSvEaNXTXG/angKo9K+M0jb6txy2qrv5mi4tfEgy5qFQHHoi4Wp/jGbj9pGHW4ZTo GbYA== X-Forwarded-Encrypted: i=1; AKwUvBxdwzKz9MXq5OVISxTgQrRE65YkHZEnMmRvoBPAPeL/ailzLD8ztQTUV/E1cjuFPbHyRiIxcVmjirbHnHnYpw==@lists.linux.dev X-Gm-Message-State: AFuF++mGVsRT8u+qckKzGno6JoqAnygMDNCWASHT8ti96Pndhk31uSRL UQiflHz4vp7HLNvUpJGdtYZ6WdieuXcSkVVTgMUkp8vqicbKrTrFjD5xsc2X38qwO8RMkGS+HV/ D8jhyDE0F5Xiv+MfFNzSo8DOhzUPwpJSO8q4gkXhOtEAgATujjypkMQAz6s0= Precedence: bulk X-Mailing-List: linux-rt-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1692:b0:4c5:92fb:218d with SMTP id 5614622812f47-4ca4be66e9dmr5399582b6e.22.1789633502228; Thu, 17 Sep 2026 01:25:02 -0700 (PDT) Date: Thu, 17 Sep 2026 01:25:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6aaba3de.87c06881.1db2b3.0013.GAE@google.com> Subject: Re: [syzbot] [kvm?] BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start From: syzbot To: akpm@linux-foundation.org, bigeasy@linutronix.de, dwmw2@infradead.org, dwmw@amazon.co.uk, kvm@vger.kernel.org, liam.howlett@oracle.com, liam@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-rt-devel@lists.linux.dev, ljs@kernel.org, lkp@intel.com, llvm@lists.linux.dev, lorenzo.stoakes@oracle.com, me@brighamcampbell.com, mhocko@suse.com, nogikh@google.com, oe-kbuild-all@lists.linux.dev, pbonzini@redhat.com, rientjes@google.com, rppt@kernel.org, seanjc@google.com, shaikhkamal2012@gmail.com, shakeel.butt@linux.dev, skhan@linuxfoundation.org, surenb@google.com, syzkaller-bugs@googlegroups.com, vbabka@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+c3178b6b512446632bac@syzkaller.appspotmail.com Tested-by: syzbot+c3178b6b512446632bac@syzkaller.appspotmail.com Tested on: commit: f902e69c sched: Allow sleeping spinlocks on PREEMPT_RT.. git tree: git://git.infradead.org/users/dwmw2/linux.git seb-nonblock-rt-test console output: https://syzkaller.appspot.com/x/log.txt?x=17d63bf9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8a263b38e64491d5 dashboard link: https://syzkaller.appspot.com/bug?extid=c3178b6b512446632bac compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.