| Message ID | 20221116160022.51829-1-roderick.colenbrander@sony.com |
|---|---|
| State | Accepted |
| Commit | 54980d30eff608545884416576416060b80d011e |
| Headers | show |
| Series | [1/2] HID: playstation: fix DualShock4 bluetooth memory corruption bug. | expand |
diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c index bae3e712a562..f5e0d06d3cd8 100644 --- a/drivers/hid/hid-playstation.c +++ b/drivers/hid/hid-playstation.c @@ -2461,7 +2461,7 @@ static struct ps_device *dualshock4_create(struct hid_device *hdev) ds4->output_worker_initialized = true; hid_set_drvdata(hdev, ds4); - max_output_report_size = sizeof(struct dualshock4_output_report_usb); + max_output_report_size = sizeof(struct dualshock4_output_report_bt); ds4->output_report_dmabuf = devm_kzalloc(&hdev->dev, max_output_report_size, GFP_KERNEL); if (!ds4->output_report_dmabuf) return ERR_PTR(-ENOMEM);
The size of the output buffer used for output reports was not updated to the larger size needed for Bluetooth. This ultimately resulted in memory corruption of surrounding structures e.g. due to memsets. Fixes: 2d77474a2392 ("HID: playstation: add DualShock4 bluetooth support.") Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com> --- drivers/hid/hid-playstation.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)