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authorFlanker <i@flanker017.me>2015-09-07 15:28:58 +0800
committerNick Kralevich <nnk@google.com>2015-10-20 12:28:15 -0700
commit5d17838adef13062717322e79d4db0b9bb6b2395 (patch)
tree9c1843b70587f232f51807d0a5fdb68d5042d04d /libs
parentc1e6fbb52c3f85cc7610d1d07d12be38f70b4ed4 (diff)
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add number constraint for samples per MotionEvent
Bug:23905002 Signed-off-by: Adam Lesinski <adamlesinski@google.com> (cherry picked from commit 552a8a5d8df32f659b8d11311a244cdc6d3b7733) Change-Id: I9b7ea859889b7697bee4165a2746602212120543
Diffstat (limited to 'libs')
-rw-r--r--libs/input/Input.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 6f53996b4..83e241c4e 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -490,7 +490,8 @@ void MotionEvent::transform(const float matrix[9]) {
status_t MotionEvent::readFromParcel(Parcel* parcel) {
size_t pointerCount = parcel->readInt32();
size_t sampleCount = parcel->readInt32();
- if (pointerCount == 0 || pointerCount > MAX_POINTERS || sampleCount == 0) {
+ if (pointerCount == 0 || pointerCount > MAX_POINTERS ||
+ sampleCount == 0 || sampleCount > MAX_SAMPLES) {
return BAD_VALUE;
}