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drm/amdgpu: fix UBSAN array-index-out-of-bounds for ras_block_string[]

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fix array index out of bounds issue for ras_block_string[] array.

Fixes: 30df05fb74 ("drm/amdgpu: Align ras block enum with firmware")
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yang Wang
2024-01-16 18:58:39 +08:00
committed by Alex Deucher
parent b5387349ca
commit 7ed97155b2
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@@ -74,6 +74,8 @@ const char *ras_block_string[] = {
"mca",
"vcn",
"jpeg",
"ih",
"mpio",
};
const char *ras_mca_block_string[] = {
@@ -95,7 +97,8 @@ const char *get_ras_block_str(struct ras_common_if *ras_block)
if (!ras_block)
return "NULL";
if (ras_block->block >= AMDGPU_RAS_BLOCK_COUNT)
if (ras_block->block >= AMDGPU_RAS_BLOCK_COUNT ||
ras_block->block >= ARRAY_SIZE(ras_block_string))
return "OUT OF RANGE";
if (ras_block->block == AMDGPU_RAS_BLOCK__MCA)