From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 96D7822D4C8 for ; Tue, 24 Feb 2026 00:38:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771893486; cv=none; b=pVodcdU/Sv5mjxWLgybKBGv1MsgJrIQMM+rlNqymXRkDJ1q0Ogis+omtTmcavX2gHSsIUSqRNT43Vwl1Ak/VMV+NZX5UiaC2STo9Pod57q2PF+LahMYryTjCw8pnO+0k+hqMA8QiIOrdbq7z8E5LXWeK2yr4nlJ/KX4GalhiO18= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771893486; c=relaxed/simple; bh=95et0iiZOFvEmrwQk1B0aEKVgA5Luw2xyZ7YltWllHw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=VErnv0Ih/OyChm6f6fXuXeITBrc26pd7E5nVzrDL9MRTTUrY/myFOFYlcvlbldZgktviAnIu7l2O/O6N0ZEx3cmBSPaFpZQjfgOgZWHqlooCZsES0POkBb2d37rCSapfu92upaf097FW8Bqa4gkor2KH6l9knwiBfv1pTXE/aV8= 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=zKoqDksO; arc=none smtp.client-ip=209.85.214.202 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="zKoqDksO" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2ad7e454f38so210627745ad.0 for ; Mon, 23 Feb 2026 16:38:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1771893484; x=1772498284; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=mRUtYfiuCHkE01sKVfZHqk1HVPwnQ18HuftgTQ+yBvY=; b=zKoqDksOgtZ+EHEyMXmGtvjdFyR+nXBkGjpV3iRQBgPirCiu+7sAn3JpbaYU8r00+T OPUWLBvuXGpBV5AM3NdvZU91FPE42VG9od5T7dQC7/Wcb7WW5hJR4dwmw4teiVhnQsts gEpmcvFCHcpoC2IDXG/o1y6sXDKcq1ZiZAyLhTQZxB+acA7fq+fL3DyYu927E0p8HFNN 0CYwA5uL6D3TAiUBusV8Jbo+jUhp3i3S/mGD61SaVSHF2Ud0jhBF+muR3/3uED5be9bW nVypl8g3vSLLoSr56lyMJs54YcHjvShIMiLPn64y2xa1Zv5XnFGyin7cSckn/g7IX1zt SzvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771893484; x=1772498284; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=mRUtYfiuCHkE01sKVfZHqk1HVPwnQ18HuftgTQ+yBvY=; b=UKGQ/2oR0o0SElfrqVD5tKlS0hAQWpbFRmSaGPpsVsA2HiqkvbRbvrcQZx3qCs6OH0 yavsojBTAOyHlb8tlSl2NMx3OKfQuH1AGElPhVJPUm112mYvSPQkxjTCWjy3TZjXAfoY W4+XBmOFTKJWKRsSJ3zDmRph3oUDF/SjnP7LB3dCp0rNeJPpycecPhsBDXPxcrM0qf/f ZYKEX6ZrFnHB2/ZWzAcM4a3mfcbFKtJiwKcKbi/BNIZSNfIPqwgVEYox1qVf+qUFBn9B T5U5lEul58u4xFj5N3wZaYUguEWyKoYFshwK2x4Ib/PJjL106CGk1QyciclqrLo2ies/ Xj/g== X-Forwarded-Encrypted: i=1; AJvYcCWqQsH9RWouLQAOhL+yQzpJRLKb1Bz1eRn5/qZKtuB7d9ZBNJ8zo4AGalFJk0EPDPAj7pA=@vger.kernel.org X-Gm-Message-State: AOJu0YyQOT/hM0ovabPeS0nRCjpZw+Pk8w6rq67bb56tQHqmnHCmbgj4 rqfjI/5YADNVLajumktO21pMMlia2NSqBWlkhptl3lnTMS2N4Vk74hFNQmKzoGIJaiOBMlxJ+FX FLMk/yw== X-Received: from pjbay5.prod.google.com ([2002:a17:90b:305:b0:352:de4e:4038]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:2acc:b0:2a0:9755:2e97 with SMTP id d9443c01a7336-2ad7444c497mr102963395ad.15.1771893483878; Mon, 23 Feb 2026 16:38:03 -0800 (PST) Date: Mon, 23 Feb 2026 16:38:02 -0800 In-Reply-To: <20260206190851.860662-8-yosry.ahmed@linux.dev> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260206190851.860662-1-yosry.ahmed@linux.dev> <20260206190851.860662-8-yosry.ahmed@linux.dev> Message-ID: Subject: Re: [PATCH v5 07/26] KVM: nSVM: Triple fault if restore host CR3 fails on nested #VMEXIT From: Sean Christopherson To: Yosry Ahmed Cc: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Content-Type: text/plain; charset="us-ascii" On Fri, Feb 06, 2026, Yosry Ahmed wrote: > @@ -1140,7 +1140,7 @@ int nested_svm_vmexit(struct vcpu_svm *svm) > > if (kvm_vcpu_map(vcpu, gpa_to_gfn(vmcb12_gpa), &map)) { > kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); > - return 1; > + return; > } And then here I think we can do the same thing, e.g. if (nested_svm_load_cr3(vcpu, vmcb01->save.cr3, false, true)) kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu);