From: Aaron Kling Date: Thu, 22 May 2025 16:11:24 +0000 (-0500) Subject: ARM: tegra: Use I/O memcpy to write to IRAM X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1;p=thirdparty%2Fkernel%2Flinux.git ARM: tegra: Use I/O memcpy to write to IRAM 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 --- diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c index d5c805adf7a82..ea706fac63587 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);