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Message-Id: <20250522-mach-tegra-kasan-v1-1-419041b8addb@gmail.com> Date: Thu, 22 May 2025 11:11:24 -0500 From: Aaron Kling via B4 Relay <devnull+webgeek1234.gmail.com@...nel.org> To: Russell King <linux@...linux.org.uk>, Thierry Reding <thierry.reding@...il.com>, Jonathan Hunter <jonathanh@...dia.com> Cc: linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org, Aaron Kling <webgeek1234@...il.com> Subject: [PATCH] ARM: tegra: Use io memcpy to write to iram From: Aaron Kling <webgeek1234@...il.com> Kasan crashes the kernel trying to check boundaries when using the normal memcpy. Signed-off-by: Aaron Kling <webgeek1234@...il.com> --- Change-Id: I27714f45aa6aea6a7bee048f706b14b8c7535164 --- 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 d5c805adf7a82b938bebd8941eae974cf6bcdbe3..ea706fac63587a393a17fe0f1c2ad69d6e5c14f2 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); --- base-commit: d608703fcdd9e9538f6c7a0fcf98bf79b1375b60 change-id: 20250522-mach-tegra-kasan-fabd0253f268 Best regards, -- Aaron Kling <webgeek1234@...il.com>
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