From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9F0EA3E275F for ; Mon, 1 Jun 2026 18:04:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.97.179.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780337082; cv=none; b=NRHyRq40SwkbwbrURtuJQ9IrIg877mFUDeherBdSrLXKQlYpeL55R1miiBZBM4kRVGIgMosufkobfOtZqVBIEo4Ra2DnYa3aFtyfqXEU7ZvoqWD6Hhhx+t3Bbc7yyrxGuQSUtqJI5nnB81izv5mdkLdOBKRt2NCnRw1baE3dY2A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780337082; c=relaxed/simple; bh=r2uoNvHTPrBbhgvj6DheCmeriVqbGjXcVXoWVrZf6Qk=; h=MIME-Version:Date:From:To:Cc:Subject:In-Reply-To:References: Message-ID:Content-Type; b=DSZIyMWAvwZjubDSZXc8BmORWkE3IHGLxthxN5joxhdoyYkTpJBseUNBf0jHeBTaIt78bDmygw+ck5YaFQRr3mc3hLaSbz6YJzczqCz4cdkNd6hYRJ4hCteQ5uFK7PZcg681QFN0VVRNWzHbbl5UyjihYvkFeIKqqPiRiUnILSw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=JtChi68l; arc=none smtp.client-ip=213.97.179.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="JtChi68l" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:Message-ID:References: In-Reply-To:Subject:Cc:To:From:Date:MIME-Version:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=5mTiom1oq08KxEM2eAgq3ALBOMeHGMQoEyS7WmWVYGA=; b=JtChi68llI/7raY/N+0y/8NVer OSSDM/g7FN60GA7bbosDl1asFuHyEOdG7lh6mTVgDXE3vygxkN41YehISeczFmtCTIGQE26+p3dgR NY/Gy53UDWKV3r4xpwIeTrYcjDDWxZqfY3O0fGVYNsap0Uh5XnQbVL5jw+Uoeev1EJ5cSWS7ZJKpU kPgZLSN2bdUIWDiBQGPPf0uSQuc/7lTXDAiMWMAscA/poHv2VAeefHDruN58X6pQRAp4p1H2BYoTH lGK9WpM7cMSpWZbeAJp0yGXithBey9nKucBnH/N5EjoEoAbLUGwf6ZcsQt24qlm6jEeAkiioO5krP gpPc5bFg==; Received: from maestria.local.igalia.com ([192.168.10.14] helo=mail.igalia.com) by fanzine2.igalia.com with esmtps (Cipher TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1wU6zu-00B91M-TD; Mon, 01 Jun 2026 20:04:22 +0200 Received: from webmail.service.igalia.com ([192.168.21.45]) by mail.igalia.com with esmtp (Exim) id 1wU6zs-005tFe-56; Mon, 01 Jun 2026 20:04:22 +0200 Received: from localhost ([127.0.0.1] helo=webmail.igalia.com) by webmail.service.igalia.com with esmtp (Exim 4.98.2) (envelope-from ) id 1wU6zr-000000064OL-3uxl; Mon, 01 Jun 2026 20:04:19 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Mon, 01 Jun 2026 15:04:19 -0300 From: Mauricio Faria de Oliveira To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Juergen Gross , Alexey Dobriyan , Boris Ostrovsky Cc: kernel-dev@igalia.com, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, kernel test robot Subject: Re: [PATCH v4 0/4] x86/pvh: fix unbootable VMs again (PVH + KASAN) In-Reply-To: <20260526-pvh-kasan-inline-v4-0-a310e6a25ecd@igalia.com> References: <20260526-pvh-kasan-inline-v4-0-a310e6a25ecd@igalia.com> Message-ID: <7605951bca0a9caede0ab9622aaad97e@igalia.com> X-Sender: mfo@igalia.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Report: NO, Score=-2.6, Tests=ALL_TRUSTED=-3,AWL=0.401,BAYES_40=-0.001 X-Spam-Score: -25 X-Spam-Bar: -- On 2026-05-26 11:52, Mauricio Faria de Oliveira wrote: > The issue of unbootable VMs with CONFIG_PVH due to CONFIG_KASAN is back. > > Booting directly from vmlinux (instead of bzImage) now fails with gcc-14/15 > (but works with gcc-12/13) if CONFIG_KASAN_GENERIC is set, on Ubuntu 25.10. v5: https://lore.kernel.org/all/20260601-pvh-kasan-inline-v5-0-c996e92dfe9a@igalia.com -- Mauricio