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drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7 

[ Upstream commit 760efbca74a405dc439a013a5efaa9fadc95a8c3 ]

For pptable structs that use flexible array sizes, use flexible arrays.

Suggested-by: Felix Held <felix.held@amd.com>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2874
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mario Limonciello 2023-10-04 15:22:52 -05:00 committed by Greg Kroah-Hartman
parent ea1e7d6fdc
commit 92a775e7c9
2 changed files with 4 additions and 4 deletions
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4
drivers/gpu/drm/amd/include/pptable.h
View File

@ -78,7 +78,7 @@ typedef struct _ATOM_PPLIB_THERMALCONTROLLER
typedef struct _ATOM_PPLIB_STATE
{
UCHAR ucNonClockStateIndex;
UCHAR ucClockStateIndices[1]; // variable-sized
UCHAR ucClockStateIndices[]; // variable-sized
} ATOM_PPLIB_STATE;
@ -473,7 +473,7 @@ typedef struct _ATOM_PPLIB_STATE_V2
/**
* Driver will read the first ucNumDPMLevels in this array
*/
UCHAR clockInfoIndex[1];
UCHAR clockInfoIndex[];
} ATOM_PPLIB_STATE_V2;
typedef struct _StateArray{

4
drivers/gpu/drm/amd/pm/powerplay/hwmgr/pptable_v1_0.h
View File

@ -179,7 +179,7 @@ typedef struct _ATOM_Tonga_MCLK_Dependency_Record {
typedef struct _ATOM_Tonga_MCLK_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries. */
ATOM_Tonga_MCLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */
ATOM_Tonga_MCLK_Dependency_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Tonga_MCLK_Dependency_Table;
typedef struct _ATOM_Tonga_SCLK_Dependency_Record {
@ -194,7 +194,7 @@ typedef struct _ATOM_Tonga_SCLK_Dependency_Record {
typedef struct _ATOM_Tonga_SCLK_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries. */
ATOM_Tonga_SCLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */
ATOM_Tonga_SCLK_Dependency_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Tonga_SCLK_Dependency_Table;
typedef struct _ATOM_Polaris_SCLK_Dependency_Record {