From mboxrd@z Thu Jan 1 00:00:00 1970 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 1D57025228D; Thu, 15 Jan 2026 16:58:36 +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=1768496316; cv=none; b=FOxJQtjlK70VU13DL2pUUA8Q51e1WUuZ7os8C9l8GW3w18VhJ23wxouptfy2ucR+iv2VINWfaeR7CaUc0deL7mP8p4K3sTZ05qAgNWuU0PvqNDujNv2z9+q/QgFDe4woSsYFhtO9MGvQDC1y0uAq14c2Hd/qwPzgSNnPc8lvt2k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768496316; c=relaxed/simple; bh=n88uynv8kskMs4pf4tjzglrgYFXT/5snoVf+pNKeN7k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HdXvA3pgCI/hXRFdI4E8tso+bwYKt1RBOvC4DFYoNH+FHysH4PqLcSai4Mw5ij4Ge5P6Z1+WyRxnMRfiIuxQAjNrK8telppOY5PKhO2pO5YGy2ESZJjfiA8LaO6brFtclbWYTKCLXequUakLaDowsiCrhxy6uR7Kh0/FI5Qg1BI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lJ/3SOz8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lJ/3SOz8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9DA56C116D0; Thu, 15 Jan 2026 16:58:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768496316; bh=n88uynv8kskMs4pf4tjzglrgYFXT/5snoVf+pNKeN7k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lJ/3SOz8le9CECI3e5l0YX/FckrsfDWPigQUO525z7FwPdGtXuQwIZ/frSFQ508Xt WRAnoVTy8//4S8dAMDTftKLQ3ICroQlyd8n54mY9tlRpf7cD86WmC5MOGUJ1+9Ax8A 2RieGm8Wu+d6GYAg/VBdO5NDp6yC3CM2ediVGonA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Lorenzo Pieralisi , Thomas Gleixner , Marc Zyngier , Sasha Levin Subject: [PATCH 6.18 154/181] irqchip/gic-v5: Fix gicv5_its_map_event() ITTE read endianness Date: Thu, 15 Jan 2026 17:48:11 +0100 Message-ID: <20260115164207.871681048@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164202.305475649@linuxfoundation.org> References: <20260115164202.305475649@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lorenzo Pieralisi [ Upstream commit 1690eeb0cb2bb77096cb6c826b6849ef05013e34 ] Kbuild bot (through sparse) reported that the ITTE read to carry out a valid check in gicv5_its_map_event() lacks proper endianness handling. Add the missing endianess conversion. Fixes: 57d72196dfc8 ("irqchip/gic-v5: Add GICv5 ITS support") Reported-by: kernel test robot Signed-off-by: Lorenzo Pieralisi Signed-off-by: Thomas Gleixner Acked-by: Marc Zyngier Link: https://patch.msgid.link/20251222102250.435460-1-lpieralisi@kernel.org Closes: https://lore.kernel.org/oe-kbuild-all/202512131849.30ZRTBeR-lkp@intel.com/ Signed-off-by: Sasha Levin --- drivers/irqchip/irq-gic-v5-its.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic-v5-its.c b/drivers/irqchip/irq-gic-v5-its.c index 554485f0be1fb..8e22134b9f486 100644 --- a/drivers/irqchip/irq-gic-v5-its.c +++ b/drivers/irqchip/irq-gic-v5-its.c @@ -849,7 +849,7 @@ static int gicv5_its_map_event(struct gicv5_its_dev *its_dev, u16 event_id, u32 itte = gicv5_its_device_get_itte_ref(its_dev, event_id); - if (FIELD_GET(GICV5_ITTL2E_VALID, *itte)) + if (FIELD_GET(GICV5_ITTL2E_VALID, le64_to_cpu(*itte))) return -EEXIST; itt_entry = FIELD_PREP(GICV5_ITTL2E_LPI_ID, lpi) | -- 2.51.0