From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 109CDC54ED0 for ; Fri, 23 May 2025 16:47:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uIVXm-0005jK-4g; Fri, 23 May 2025 12:46:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uIVXX-0005iT-Gt for qemu-devel@nongnu.org; Fri, 23 May 2025 12:46:39 -0400 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uIVXU-0000P9-NL for qemu-devel@nongnu.org; Fri, 23 May 2025 12:46:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=MIME-Version:Content-Type:References: In-Reply-To:Date:To:From:Subject:Message-ID:Sender:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description; bh=DSo+3iRpAKjbqKRR6RJC/r/W1BxEyLxiqZAtmn6Od9Y=; b=JgVPyqxDu9OlwOK9EV5e09f+EU rn/skQWRwn7fTruW6Mv2sA+3emmgzVux6l9QYlvxMxcVmVZ7YiGIglqz3CiasVaFf0NNI/8ejMv9g pDdA8x+E/Kho9EsE7npPWk27fuWaD7V00wuBj2kZ7Rqp5EmKEJnePlqQW/ZmxerVH0vayVNnll03J q7IQjuOYQ2CFwNOlbSEaRrNliAnxKSoJH2x/FWdt5Ecwk3fmq1MMMAAX3+jPowaZ7hN2vzloZ4rAS YGOBpfU8u0ed6lFUH25wtZ7d5iyYZ7aiNHuxL4Dnv3HL9lbKZeeg2hggzoj6VLDbJpKW/Yt1hrK8i hJtGE/KQ==; Received: from [172.31.31.140] (helo=u09cd745991455d.ant.amazon.com) by desiato.infradead.org with esmtpsa (Exim 4.98.1 #2 (Red Hat Linux)) id 1uIVXI-00000001M1n-27ql; Fri, 23 May 2025 16:46:20 +0000 Message-ID: <9ddde4627ed42c55ba7ea56d6e3c9b4870b606bc.camel@infradead.org> Subject: Re: [EXTERNAL] [PATCH] hw/xen: Fix trace_xs_node_read() params From: David Woodhouse To: Liam Merwick , anthony.perard@vates.tech, roger.pau@citrix.com, xen-devel@lists.xenproject.org, qemu-devel@nongnu.org Date: Fri, 23 May 2025 17:46:19 +0100 In-Reply-To: <20250523160134.218997-1-liam.merwick@oracle.com> References: <20250523160134.218997-1-liam.merwick@oracle.com> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-1qEj1gTPazsQRVxc738m" User-Agent: Evolution 3.52.3-0ubuntu1 MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by desiato.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1:d65d:64ff:fe57:4e05; envelope-from=BATV+a69e8103bdb0262a3eb0+7943+infradead.org+dwmw2@desiato.srs.infradead.org; helo=desiato.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org --=-1qEj1gTPazsQRVxc738m Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2025-05-23 at 16:01 +0000, Liam Merwick wrote: > When the '--enable-trace-backends=3Dsyslog' build option is configured, > the following compilation error is encountered. >=20 > In file included from /usr/include/sys/syslog.h:207, > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 from /usr/include/syslog.h:1, > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 from ./trace/trace-hw_xen.h:224, > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 from ../hw/xen/trace.h:1, > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 from ../hw/xen/xen-bus-helper.c:13: > In function =E2=80=98syslog=E2=80=99, > =C2=A0=C2=A0=C2=A0 inlined from =E2=80=98_nocheck__trace_xs_node_read=E2= =80=99 at ../hw/xen/trace-events:41:9, > =C2=A0=C2=A0=C2=A0 inlined from =E2=80=98trace_xs_node_read=E2=80=99 at t= race/trace-hw_xen.h:903:9, > =C2=A0=C2=A0=C2=A0 inlined from =E2=80=98xs_node_read=E2=80=99 at ../hw/x= en/xen-bus-helper.c:154:5: > /usr/include/bits/syslog.h:45:3: error: =E2=80=98%s=E2=80=99 directive ar= gument is null [-Werror=3Dformat-overflow=3D] > =C2=A0=C2=A0 45 |=C2=A0=C2=A0 __syslog_chk (__pri, __USE_FORTIFY_LEVEL - = 1, __fmt, __va_arg_pack ()); > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~= ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >=20 > Add a check that 'value' is not null before passing it to trace_xs_node_r= ead(). >=20 > Fixes: e6cdeee95990 ("hw/xen: Add xs_node_read() helper function") > Signed-off-by: Liam Merwick Acked-by: David Woodhouse Thanks. --=-1qEj1gTPazsQRVxc738m Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCD9Aw ggSOMIIDdqADAgECAhAOmiw0ECVD4cWj5DqVrT9PMA0GCSqGSIb3DQEBCwUAMGUxCzAJBgNVBAYT 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