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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: "Alex Deucher" <alexander.deucher@amd.com>,
	"Mario Limonciello" <mario.limonciello@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	"Sasha Levin" <sashal@kernel.org>,
	airlied@linux.ie, amd-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org
Subject: [PATCH AUTOSEL 6.6 09/11] drm/amd: Fix UBSAN array-index-out-of-bounds for Powerplay headers
Date: Sun, 12 Nov 2023 08:27:32 -0500	[thread overview]
Message-ID: <20231112132736.175494-9-sashal@kernel.org> (raw)
In-Reply-To: <20231112132736.175494-1-sashal@kernel.org>

From: Alex Deucher <alexander.deucher@amd.com>

[ Upstream commit 49afe91370b86566857a3c2c39612cf098110885 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../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 7a31cfa5e7fb4..df7cab1a571b3 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 {
@@ -481,7 +481,7 @@ 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 8b0590b834cca..de2926df5ed74 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 {
@@ -327,7 +327,7 @@ typedef struct _ATOM_Vega10_VCE_State_Record {
 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 {
@@ -427,7 +427,7 @@ typedef struct _ATOM_Vega10_Hard_Limit_Record {
 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 {
-- 
2.42.0


  parent reply	other threads:[~2023-11-12 13:28 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-12 13:27 [PATCH AUTOSEL 6.6 01/11] media: gspca: cpia1: shift-out-of-bounds in set_flicker Sasha Levin
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 02/11] media: vivid: avoid integer overflow Sasha Levin
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 03/11] media: ipu-bridge: increase sensor_name size Sasha Levin
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 04/11] gfs2: ignore negated quota changes Sasha Levin
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 05/11] gfs2: fix an oops in gfs2_permission Sasha Levin
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 06/11] media: cobalt: Use FIELD_GET() to extract Link Width Sasha Levin
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 07/11] media: ccs: Fix driver quirk struct documentation Sasha Levin
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 08/11] media: imon: fix access to invalid resource for the second interface Sasha Levin
2023-11-12 13:27 ` Sasha Levin [this message]
2023-11-12 18:00   ` [PATCH AUTOSEL 6.6 09/11] drm/amd: Fix UBSAN array-index-out-of-bounds for Powerplay headers Alex Deucher
2023-11-12 18:51     ` Sasha Levin
2023-11-14  9:31       ` Pavel Machek
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 10/11] drm/amd/display: Avoid NULL dereference of timing generator Sasha Levin
2023-11-12 13:27 ` [PATCH AUTOSEL 6.6 11/11] gfs2: Fix slab-use-after-free in gfs2_qd_dealloc Sasha Levin

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