From 4cc16d64b6cdb179a26fb389cae9dce788e88f5d Mon Sep 17 00:00:00 2001
From: Ma Jun <Jun.Ma2@amd.com>
Date: Sun, 6 Nov 2022 20:34:27 +0800
Subject: [PATCH] drm/amdkfd: Fix the memory overrun
Git-commit: 4cc16d64b6cdb179a26fb389cae9dce788e88f5d
Patch-mainline: v6.2-rc1
References: bsc#1206843
Fix the memory overrun issue caused by wrong array size.
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-coverity-id: 1527133 ("Memory - corruptions")
Fixes: c0cc999f3c32e6 ("drm/amdkfd: Fix the warning of array-index-out-of-bounds")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index 267dd69737fa..af01ba061e1b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -1111,7 +1111,7 @@ static int kfd_parse_subtype_cache(struct crat_subtype_cache *cache,
props->cache_latency = cache->cache_latency;
memcpy(props->sibling_map, cache->sibling_map,
- sizeof(props->sibling_map));
+ CRAT_SIBLINGMAP_SIZE);
/* set the sibling_map_size as 32 for CRAT from ACPI */
props->sibling_map_size = CRAT_SIBLINGMAP_SIZE;
--
2.35.3