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pve-kernel-lowlatency-qoup/patches/kernel/0012-drm-amd-Fix-UBSAN-array-index-out-of-bounds-for-Powe.patch

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backport UBSAN fixes for amdgpu to silence array-index-out-of-bounds warnings for dynamically-sized arrays. All commits applied cleanly and just replace array[1] with array[]. Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
2023-11-14 15:14:43 +03:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 27 Oct 2023 16:40:47 -0400
Subject: [PATCH] drm/amd: Fix UBSAN array-index-out-of-bounds for Powerplay
headers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
For pptable structs that use flexible array sizes, use flexible arrays.
Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2039926
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry-picked from commit 49afe91370b86566857a3c2c39612cf098110885)
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
.../drm/amd/pm/powerplay/hwmgr/pptable_v1_0.h | 4 ++--
.../amd/pm/powerplay/hwmgr/vega10_pptable.h | 24 +++++++++----------
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pptable_v1_0.h b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pptable_v1_0.h
index e0e40b054c08..5ec564dbf339 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pptable_v1_0.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pptable_v1_0.h
@@ -367,7 +367,7 @@ typedef struct _ATOM_Tonga_VCE_State_Record {
typedef struct _ATOM_Tonga_VCE_State_Table {
UCHAR ucRevId;
UCHAR ucNumEntries;
- ATOM_Tonga_VCE_State_Record entries[1];
+ ATOM_Tonga_VCE_State_Record entries[];
} ATOM_Tonga_VCE_State_Table;
typedef struct _ATOM_Tonga_PowerTune_Table {
@@ -482,7 +482,7 @@ typedef struct _ATOM_Tonga_Hard_Limit_Record {
typedef struct _ATOM_Tonga_Hard_Limit_Table {
UCHAR ucRevId;
UCHAR ucNumEntries;
- ATOM_Tonga_Hard_Limit_Record entries[1];
+ ATOM_Tonga_Hard_Limit_Record entries[];
} ATOM_Tonga_Hard_Limit_Table;
typedef struct _ATOM_Tonga_GPIO_Table {
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h
index 9c479bd9a786..a372abcd01be 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h
@@ -129,7 +129,7 @@ typedef struct _ATOM_Vega10_State {
typedef struct _ATOM_Vega10_State_Array {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries. */
- ATOM_Vega10_State states[1]; /* Dynamically allocate entries. */
+ ATOM_Vega10_State states[]; /* Dynamically allocate entries. */
} ATOM_Vega10_State_Array;
typedef struct _ATOM_Vega10_CLK_Dependency_Record {
@@ -169,37 +169,37 @@ typedef struct _ATOM_Vega10_GFXCLK_Dependency_Table {
typedef struct _ATOM_Vega10_MCLK_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries. */
- ATOM_Vega10_MCLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */
+ ATOM_Vega10_MCLK_Dependency_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Vega10_MCLK_Dependency_Table;
typedef struct _ATOM_Vega10_SOCCLK_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries. */
- ATOM_Vega10_CLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */
+ ATOM_Vega10_CLK_Dependency_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Vega10_SOCCLK_Dependency_Table;
typedef struct _ATOM_Vega10_DCEFCLK_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries. */
- ATOM_Vega10_CLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */
+ ATOM_Vega10_CLK_Dependency_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Vega10_DCEFCLK_Dependency_Table;
typedef struct _ATOM_Vega10_PIXCLK_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries. */
- ATOM_Vega10_CLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */
+ ATOM_Vega10_CLK_Dependency_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Vega10_PIXCLK_Dependency_Table;
typedef struct _ATOM_Vega10_DISPCLK_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries.*/
- ATOM_Vega10_CLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */
+ ATOM_Vega10_CLK_Dependency_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Vega10_DISPCLK_Dependency_Table;
typedef struct _ATOM_Vega10_PHYCLK_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries. */
- ATOM_Vega10_CLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */
+ ATOM_Vega10_CLK_Dependency_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Vega10_PHYCLK_Dependency_Table;
typedef struct _ATOM_Vega10_MM_Dependency_Record {
@@ -213,7 +213,7 @@ typedef struct _ATOM_Vega10_MM_Dependency_Record {
typedef struct _ATOM_Vega10_MM_Dependency_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries */
- ATOM_Vega10_MM_Dependency_Record entries[1]; /* Dynamically allocate entries */
+ ATOM_Vega10_MM_Dependency_Record entries[]; /* Dynamically allocate entries */
} ATOM_Vega10_MM_Dependency_Table;
typedef struct _ATOM_Vega10_PCIE_Record {
@@ -225,7 +225,7 @@ typedef struct _ATOM_Vega10_PCIE_Record {
typedef struct _ATOM_Vega10_PCIE_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries */
- ATOM_Vega10_PCIE_Record entries[1]; /* Dynamically allocate entries. */
+ ATOM_Vega10_PCIE_Record entries[]; /* Dynamically allocate entries. */
} ATOM_Vega10_PCIE_Table;
typedef struct _ATOM_Vega10_Voltage_Lookup_Record {
@@ -235,7 +235,7 @@ typedef struct _ATOM_Vega10_Voltage_Lookup_Record {
typedef struct _ATOM_Vega10_Voltage_Lookup_Table {
UCHAR ucRevId;
UCHAR ucNumEntries; /* Number of entries */
- ATOM_Vega10_Voltage_Lookup_Record entries[1]; /* Dynamically allocate entries */
+ ATOM_Vega10_Voltage_Lookup_Record entries[]; /* Dynamically allocate entries */
} ATOM_Vega10_Voltage_Lookup_Table;
typedef struct _ATOM_Vega10_Fan_Table {
@@ -329,7 +329,7 @@ typedef struct _ATOM_Vega10_VCE_State_Table
{
UCHAR ucRevId;
UCHAR ucNumEntries;
- ATOM_Vega10_VCE_State_Record entries[1];
+ ATOM_Vega10_VCE_State_Record entries[];
} ATOM_Vega10_VCE_State_Table;
typedef struct _ATOM_Vega10_PowerTune_Table {
@@ -432,7 +432,7 @@ typedef struct _ATOM_Vega10_Hard_Limit_Table
{
UCHAR ucRevId;
UCHAR ucNumEntries;
- ATOM_Vega10_Hard_Limit_Record entries[1];
+ ATOM_Vega10_Hard_Limit_Record entries[];
} ATOM_Vega10_Hard_Limit_Table;
typedef struct _Vega10_PPTable_Generic_SubTable_Header
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