diff options
| author | Archana Obannagari <aobann@codeaurora.org> | 2017-09-08 20:35:28 +0530 |
|---|---|---|
| committer | abel_fang <Abel_Fang@compal.com> | 2018-02-01 15:01:35 +0800 |
| commit | e7fd835987866e6b49be5e8183b0d247a4988bc3 (patch) | |
| tree | 021f4a26bc269c49d7fa2f1a58e77c3ddf7c8537 | |
| parent | fe7f12516e51ef9d6c6c4ccfd3306e03918e6376 (diff) | |
msm: kgsl: Fixing an uninitialized variable in _gpuobj_map_useraddr()android-wear-8.0.0_r0.12
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>
| -rw-r--r-- | drivers/gpu/msm/kgsl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c index 8512d22bb66e..5937b840b3b3 100644 --- a/drivers/gpu/msm/kgsl.c +++ b/drivers/gpu/msm/kgsl.c @@ -2162,7 +2162,7 @@ static long _gpuobj_map_useraddr(struct kgsl_device *device, 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 |