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 ED33C25DB0A; Tue, 26 Aug 2025 14:36:58 +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=1756219019; cv=none; b=oneyNQkL3JFPY82UGSKmVwDuHTOzOP3TUcf/Ow3K8CszK7ihHOmNQx7VpAaOrOWawUb/t1k90M+Gcp8GEz1OjOVkxWzxL6NMNqc9WVrC84u/DIS7LxzY9Uk/dpgySD2oUfNkfRNjjXZRGipEe838O6v9LgPgHGGdlu9d6PJVHtk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756219019; c=relaxed/simple; bh=V00XOKQuvShrlOyg+HawaU64p5mVEkWMC/zBjhYkOFs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mxJNZtycig5wgAd/xcU++8Qw0Ivj97Zu6HMPsPBZctxIYDaRlmjD5EGMyT9ab+jjy2IbR2N6umpQOHJgMnYXor1uzbM6lGbKqYJ29qFP4Nfbtv6a13qMp4y4YRtt5//KS+e4X7bYzqX12DUAkLEYM3q6zTB12AGlUxZs0OVAn7g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bjCtX6NM; 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="bjCtX6NM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72E86C4CEF1; Tue, 26 Aug 2025 14:36:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756219018; bh=V00XOKQuvShrlOyg+HawaU64p5mVEkWMC/zBjhYkOFs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bjCtX6NMnWT4z56v8EMGPEZOVDJ+wdTo/lEwc7khGiNeDspYwvvTVnQP1M3OI9v1U 8CJsvAeqtMnQmc24hNTqcvCofyxbMi1ChyDxORWKbO593VhBaIarbsHjlGybMqd6cd e+2fG+7cZZThb1UI6g0m4D0f1kjMUKwbCbOdhROM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Aaron Kling , Thierry Reding , Sasha Levin Subject: [PATCH 5.4 190/403] ARM: tegra: Use I/O memcpy to write to IRAM Date: Tue, 26 Aug 2025 13:08:36 +0200 Message-ID: <20250826110912.124599368@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110905.607690791@linuxfoundation.org> References: <20250826110905.607690791@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Aaron Kling [ Upstream commit 398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1 ] Kasan crashes the kernel trying to check boundaries when using the normal memcpy. Signed-off-by: Aaron Kling Link: https://lore.kernel.org/r/20250522-mach-tegra-kasan-v1-1-419041b8addb@gmail.com Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- arch/arm/mach-tegra/reset.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c index 76a65df42d10..dce0cb1fdd6f 100644 --- a/arch/arm/mach-tegra/reset.c +++ b/arch/arm/mach-tegra/reset.c @@ -63,7 +63,7 @@ static void __init tegra_cpu_reset_handler_enable(void) BUG_ON(is_enabled); BUG_ON(tegra_cpu_reset_handler_size > TEGRA_IRAM_RESET_HANDLER_SIZE); - memcpy(iram_base, (void *)__tegra_cpu_reset_handler_start, + memcpy_toio(iram_base, (void *)__tegra_cpu_reset_handler_start, tegra_cpu_reset_handler_size); err = call_firmware_op(set_cpu_boot_addr, 0, reset_address); -- 2.39.5