tmakin/tegra-linux-noble
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdgpu: Using uninitialized value *size when calling amdgpu_vce_cs_reloc

Browse Source 
Initialize the size before calling amdgpu_vce_cs_reloc, such as case 0x03000001.
V2: To really improve the handling we would actually
   need to have a separate value of 0xffffffff.(Christian)

Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from 88a9a467c548d0b3c7761b4fd54a68e70f9c0944)
CVE-2024-42228
Signed-off-by: Cengiz Can <cengiz.can@canonical.com>
Acked-by: Manuel Diewald <manuel.diewald@canonical.com>
Acked-by: Kuan-Ying Lee <kuan-ying.lee@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Jesse Zhang
2024-08-22 07:26:52 +03:00
committed by Manuel Diewald
parent ffcaefaca5
commit c422976ff6
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+2 -1
View File
@@ -743,7 +743,8 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p,
uint32_t created = 0;
uint32_t allocated = 0;
uint32_t tmp, handle = 0;
uint32_t *size = &tmp;
uint32_t dummy = 0xffffffff;
uint32_t *size = &dummy;
unsigned int idx;
int i, r = 0;