diff options
| author | Archana Obannagari <aobann@codeaurora.org> | 2017-09-08 20:35:28 +0530 |
|---|---|---|
| committer | Archana Obannagari <aobann@codeaurora.org> | 2017-09-11 11:07:28 +0530 |
| commit | a56d851eaaa42fa2b170836493c344a5e90e30b1 (patch) | |
| tree | ec433fefe41f3cba5da2bcc594cb03b17dc3e39f | |
| parent | cb8f9c4da75aaf6cf869ade763661704999b871a (diff) | |
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>
| -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 afb489f10172..11860eac53ee 100644 --- a/drivers/gpu/msm/kgsl.c +++ b/drivers/gpu/msm/kgsl.c @@ -2263,7 +2263,7 @@ 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 |