msm: kgsl: Fixing an uninitialized variable in _gpuobj_map_useraddr()
Uninitalized kernel variable passes to userspace, it may have data
from stack. To avoid data leak from kernel to userspace initializes
struct kgsl_gpuobj_import_useraddr to zero.
CRs-Fixed: 2096006
Change-Id: Ib79b030cd5e3edd7279632af20dc3fac95eb73d4
Signed-off-by: Archana Obannagari <aobann@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c
index 8512d22..5937b84 100644
--- a/drivers/gpu/msm/kgsl.c
+++ b/drivers/gpu/msm/kgsl.c
@@ -2162,7 +2162,7 @@
struct kgsl_mem_entry *entry,
struct kgsl_gpuobj_import *param)
{
- struct kgsl_gpuobj_import_useraddr useraddr;
+ struct kgsl_gpuobj_import_useraddr useraddr = {0};
int ret;
param->flags &= KGSL_MEMFLAGS_GPUREADONLY
