From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (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 D7BC22765DF for ; Mon, 6 Apr 2026 22:54:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775516042; cv=none; b=bh0PLeXVcMoullV4k3atxvMHS6QLiAx/29IsLXldz1Aii6irlJiFHtBCQq1z+Bhj++epMKMukvZK2xkqTu0IBSUtg2hvEAQRw5gDaqw7Avr6dm1RzgZCBx9Lw+Gw3r9OtLj/BOYbcYTk0qeGSyJt/wkPmOkkYML62IqgR9qeywc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775516042; c=relaxed/simple; bh=06P9q15/FPA2GSndbioqzjnIb527Mu0WRuyilzLtqeQ=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=cJ6NRPE+wuUzURdQEXJAjT9mQyR1ees89xq7bQxY0BTD27Z4+vj0n4oy9HAMyP+reYE0Wz3QQYBpSUFdPhQmqELhcDuPCpchRq7zur44x51kEKjkGXjOdeXNzgqvaG5snWwjGMzQXuKdmkbUeIKlJBEkmMvEcNV5GWlSBNoCJzk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=VUGEY2sr; arc=none smtp.client-ip=209.85.215.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="VUGEY2sr" Received: by mail-pg1-f201.google.com with SMTP id 41be03b00d2f7-c741b950511so2317080a12.0 for ; Mon, 06 Apr 2026 15:54:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1775516041; x=1776120841; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:reply-to:from:to:cc :subject:date:message-id:reply-to; bh=yDZE8VzW2Z4+joQrGqpIORY8M+mNdqUKKJqTkYw/+YU=; b=VUGEY2sre3TYiZWKGVryyf4riGus9YesCCc+qDFvv+1OlTGpcnkU7nl+tFa6TgcTRw 8XgPBs4UF9mtYg5Ljm+VJfwtJiENGsIiUIkwW0zm+pOlwclJ9LHpMKcZLGKbbjI4/rO1 fn/rbzH7M4IipD1WYZe98KRS9mvU5mKYkrVp0aXaedPsHplML0n0zgsj9WtwkDJZVbmf p26acPOtcelFUJNjw2Yne1c60+4mo2xK0hgPjvhGHfs+t5D98wpWX/LpESDeEl7X15us EeTjoa5D38AWpjfW7q0SH4pt/FyPdpusj7nfrPZnwPyVVaVEtRGlCbHV0lO6LgUrzpkA Qcqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775516041; x=1776120841; h=cc:to:from:subject:message-id:mime-version:date:reply-to :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=yDZE8VzW2Z4+joQrGqpIORY8M+mNdqUKKJqTkYw/+YU=; b=GVNoHS9kjGjCy2NXwbIyt+jdSrcOJz8XyDYhbRruyzRmdsJD04vgVTNtOtSlE+VSVn AG2NdYYcNX3uVNGIqJ75FmKAs21+3mgKZq9zqu5DsLSNmcsRFUxPI8GtclGU/ODcacyg wzUAtCD//rhz9tKNqFnDj01Cqiu9DrD1gYUcxpKvq074r3AO9x+P/2SXxiOP1/Gn/4lR 1t2LdlOxjp5tUMDfD8r7hlsKeoyYwCBqu3dQ0cSVTXpTTQCQnvbe0yZw4nZvxCgoAToD lW6qxMVBdZYSx1jsuR/Yi0HkBMMZ8clyDMyDAfu3bs2OQpvi07F3qHpBWAq5x8yWEc8N YBeg== X-Forwarded-Encrypted: i=1; AJvYcCXXO7RSvoVeLvD3QJuGRiWIZVdMoZtPx8zdVzwC+4Oii0/G++IZFOTya4/8GVU+o/vVbYRCRmPsmC/tQy4=@vger.kernel.org X-Gm-Message-State: AOJu0YwcU+8V6XIZSv+nVYMs/oexNmR4E1eJCLDD5A4qR5St94wDZzSL Ebud07qybITM15cBIvpbKlGOKszh679O0FoaUTYBpNe4Fe5XN9LQuCl2weRrV1tL2a2yXeE2s5w t+Wuz0A== X-Received: from pgbdo2.prod.google.com ([2002:a05:6a02:e82:b0:c09:15e9:db4e]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:5493:b0:398:89b6:1b39 with SMTP id adf61e73a8af0-39f2f3a7b17mr14353172637.60.1775516041105; Mon, 06 Apr 2026 15:54:01 -0700 (PDT) Reply-To: Sean Christopherson Date: Mon, 6 Apr 2026 15:53:55 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.53.0.1213.gd9a14994de-goog Message-ID: <20260406225359.1245490-1-seanjc@google.com> Subject: [PATCH v3 0/3] KVM: x86: Async #PF MSR fix and cleanups From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+bc0e18379a290e5edfe4@syzkaller.appspotmail.com, Xiaoyao Li , Ethan Yang Content-Type: text/plain; charset="UTF-8" Fix a user-triggerable WARN found syzkaller, then clean up related code to eliminate potential stale data usage by removing what are effectively duplicate fields. Ethan Yang (1): KVM: x86: Don't leave APF half-enabled on bad APF data GPA Sean Christopherson (2): KVM: x86: Drop superfluous caching of KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT KVM: x86: Drop superfluous caching of KVM_ASYNC_PF_SEND_ALWAYS arch/x86/include/asm/kvm_host.h | 2 -- arch/x86/kvm/x86.c | 33 +++++++++++++++++---------------- 2 files changed, 17 insertions(+), 18 deletions(-) base-commit: b89df297a47e641581ee67793592e5c6ae0428f4 -- 2.53.0.1213.gd9a14994de-goog