Am 19.04.23 um 14:20 schrieb hackyzh002:
The type of size is unsigned, if size is 0x40000000, there will be an integer overflow, size will be zero after size *= sizeof(uint32_t), will cause uninitialized memory to be referenced later
Signed-off-by: hackyzh002 hackyzh002@gmail.com
Reviewed-by: Christian König christian.koenig@amd.com for the series.
drivers/gpu/drm/radeon/radeon_cs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index 46a27ebf4..a6700d727 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -270,7 +270,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) { struct drm_radeon_cs *cs = data; uint64_t *chunk_array_ptr;
- unsigned size, i;
- u64 size;
- unsigned i; u32 ring = RADEON_CS_RING_GFX; s32 priority = 0;