From nobody Sun Feb 8 13:10:41 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 289961D6C66; Tue, 3 Sep 2024 04:00:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725336042; cv=none; b=S90HQN0Q2FW3+WhXG9mwAvJgMQygRYNXc+7pNWtA3DlgSNt+a5EFKLwHozgYrBSNKBUqr7JFW8nDfGRplaoeDBRbcddv3MeEBeWKOb8xOvxXuVU/fE9EoJJ+t909/5ya9uTDeZM86cWnNLBn8RpIX12Y2GbWVG59/Mfcj1qpqFM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725336042; c=relaxed/simple; bh=Sc4bf3ztjo9/6o7oLEQrV45T7l6aiZqsKA2dwcuesFo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dg/A0MoldAiNm0Ym0lv15nSZzUnG8P0F2cQG1GzoguM/fg2BHi3DSQrRro5kM4ktK13T4GrmKxi/2508ZWuG28kwbqWackXbRJpbrQPJu1A7mF3jKPv2jHqHyDX+For6v72TY76xPsoj75csCSd7oh0p9m/qEeOIqQCzKB7b9KA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MKosp2+X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MKosp2+X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C7B4C4CEC5; Tue, 3 Sep 2024 04:00:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725336042; bh=Sc4bf3ztjo9/6o7oLEQrV45T7l6aiZqsKA2dwcuesFo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MKosp2+XsmJIQk4/BTZehZ+u7F8+HtUtBg9voxcg8+cXBQWT08F1090LpLv8coNw+ yAm81iQ2dkvyd/rX+1DDCn181CLS5QrBAhl4Mdqd6v141BV5l24cqdpwb06nbLN/78 yMZBIcD7OEwMU8p89OmnQfnf2imdHHhsYqDeGcMb/M7+dzM2mWXTenvJL/tTj2oQB4 QcjO/2/Du6y8GBSZV/bD7iKvhf33ukexisjU1mn8OImVA/D7GfAn01r8yw3tRk53HV hYmqFdCj4U5F1SpC0IL4RgE3Mg1lQtxh3EK6veJndYxnKaFK0sMrcLAF8ZA8uNcXvF wNWmxe+teGp9g== From: Josh Poimboeuf To: live-patching@vger.kernel.org Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Miroslav Benes , Petr Mladek , Joe Lawrence , Jiri Kosina , Peter Zijlstra , Marcos Paulo de Souza , Song Liu Subject: [RFC 25/31] objtool: Fix interval tree insertion for zero-length symbols Date: Mon, 2 Sep 2024 21:00:08 -0700 Message-ID: <5b44cec6fa1b80b7059e557e5b37a3a673e27e90.1725334260.git.jpoimboe@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Zero-length symbols get inserted in the wrong spot. Fix that. Signed-off-by: Josh Poimboeuf --- tools/objtool/elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index 49528e7835aa..42a657268306 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -94,7 +94,7 @@ static inline unsigned long __sym_start(struct symbol *s) =20 static inline unsigned long __sym_last(struct symbol *s) { - return s->offset + s->len - 1; + return s->offset + (s->len ? s->len - 1 : 0); } =20 INTERVAL_TREE_DEFINE(struct symbol, node, unsigned long, __subtree_last, --=20 2.45.2