35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
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From 235f85b654a031f7647e81b86fc8e4ffeb430164 Mon Sep 17 00:00:00 2001
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From: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
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Date: Sun, 23 Apr 2023 21:37:42 +0900
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Subject: [PATCH] rcar-gen3: plat: BL2: Enhanced buffer protection
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If the parameter check is an error, the function is terminated immediately.
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Reviewed-by: Ilay Levi <Ilay.levi@cymotive.com>
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Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
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---
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drivers/renesas/common/io/io_rcar.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/drivers/renesas/common/io/io_rcar.c b/drivers/renesas/common/io/io_rcar.c
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index 45ef386..3ed5eaf 100644
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--- a/drivers/renesas/common/io/io_rcar.c
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+++ b/drivers/renesas/common/io/io_rcar.c
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@@ -286,11 +286,13 @@ static int32_t check_load_area(uintptr_t dst, uintptr_t len)
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if (dst >= prot_start && dst < prot_end) {
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ERROR("BL2: dst address is on the protected area.\n");
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result = IO_FAIL;
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+ goto done;
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}
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if (dst < prot_start && dst > prot_start - len) {
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ERROR("BL2: loaded data is on the protected area.\n");
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result = IO_FAIL;
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+ goto done;
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}
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done:
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if (result == IO_FAIL) {
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--
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2.33.0
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