From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: passt.top; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: passt.top; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=OO1AjBta; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by passt.top (Postfix) with ESMTPS id A9A545A027C for ; Tue, 13 May 2025 11:50:11 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1747129810; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=c2rhQZYAdL+1RWoopyPgVTPZmdG9eNd+mCF9YyGaGe8=; b=OO1AjBtavjMoR+jtysxhc/KtqzDSn8V+AVN5tht/kd+crHv6xUdzMaS+levUz0ryv8JPjL klc3e7fSuEwu2yu4qbIt/bq49Sgc2hWXIeG5YmelClQt78DSwMUiXQmP07Ns2cjODL2+AN z+fQmWerYIuNJb1lsMIpIxrZVjsEPmQ= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-1-bwzKGhevOf-LtC4Du1iauw-1; Tue, 13 May 2025 05:41:06 -0400 X-MC-Unique: bwzKGhevOf-LtC4Du1iauw-1 X-Mimecast-MFC-AGG-ID: bwzKGhevOf-LtC4Du1iauw_1747129265 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C47F81955DDE for ; Tue, 13 May 2025 09:41:05 +0000 (UTC) Received: from lenovo-t14s.redhat.com (unknown [10.44.33.64]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 9C3D3195396E; Tue, 13 May 2025 09:41:04 +0000 (UTC) From: Laurent Vivier To: passt-dev@passt.top Subject: [PATCH 0/4] Fedora 42: Static Analysis and Compiler Warning Fixes Date: Tue, 13 May 2025 11:40:58 +0200 Message-ID: <20250513094102.1372330-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: JvDC3oulVTaucaHzsG51tTXWyH2h6BT--UKz9LfovV0_1747129265 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID-Hash: SWQWEGK6TPVAUU4SB3W4OGQAU5E3QWRJ X-Message-ID-Hash: SWQWEGK6TPVAUU4SB3W4OGQAU5E3QWRJ X-MailFrom: lvivier@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Laurent Vivier X-Mailman-Version: 3.3.8 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This patch series addresses a collection of warnings and errors flagged=0D by GCC and Clang's static analyzer across various modules. The fixes=0D primarily involve clarifying code intent where warnings were false=0D positives or applying specific attributes to suppress warnings for=0D intentionally designed code constructs.=0D =0D The series consists of the following patches (in order of application):=0D =0D 1. **dhcpv6: fix GCC error (unterminated-string-initialization)**=0D Silences GCC error for an intentionally non-NUL-terminated string.=0D =0D 2. **virtio: Fix Clang warning (bugprone-sizeof-expression, cert-arr39-c)*= *=0D Justifies intentional `sizeof` usage in pointer arithmetic against Clan= g warnings.=0D =0D 3. **ndp: Fix Clang analyzer warning (clang-analyzer-security.PointerSub)*= *=0D Clarifies pointer subtraction as a valid C idiom for struct offset calc= ulation.=0D =0D 4. **flow: fix clang error (clang-analyzer-security.PointerSub)**=0D Confirms pointers in `flow_idx()` reference the same array, validating = subtraction.=0D =0D Laurent Vivier (4):=0D dhcpv6: fix GCC error (unterminated-string-initialization)=0D virtio: Fix Clang warning (bugprone-sizeof-expression, cert-arr39-c)=0D ndp: Fix Clang analyzer warning (clang-analyzer-security.PointerSub)=0D flow: Fix clang error (clang-analyzer-security.PointerSub)=0D =0D dhcpv6.c | 4 +++-=0D flow_table.h | 1 +=0D ndp.c | 1 +=0D virtio.c | 1 +=0D 4 files changed, 6 insertions(+), 1 deletion(-)=0D =0D --=20=0D 2.49.0=0D =0D