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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:17:26 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:17:26 +0200
commitb62ed4c93ad71374b54d2c3a72cbc67b506f580c (patch)
tree6ca6ab974bbce902fc9de300fea6aa056170850f /drivers/hid/hid-playstation.c
parent5895db67c12464003afd16c08049b73aa09e58ea (diff)
parent221fc2f4d0eda59d02af2e751a9282fa013a8e97 (diff)
Merge v6.18.40linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hid/hid-playstation.c')
-rw-r--r--drivers/hid/hid-playstation.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c
index 12fad45ac106..4a17fd0c12f8 100644
--- a/drivers/hid/hid-playstation.c
+++ b/drivers/hid/hid-playstation.c
@@ -2377,6 +2377,12 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report *
struct dualshock4_input_report_usb *usb =
(struct dualshock4_input_report_usb *)data;
+ if (usb->num_touch_reports > ARRAY_SIZE(usb->touch_reports)) {
+ hid_err(hdev, "DualShock4 USB input report has invalid num_touch_reports=%d\n",
+ usb->num_touch_reports);
+ return -EINVAL;
+ }
+
ds4_report = &usb->common;
num_touch_reports = min_t(u8, usb->num_touch_reports,
ARRAY_SIZE(usb->touch_reports));
@@ -2392,6 +2398,12 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report *
return -EILSEQ;
}
+ if (bt->num_touch_reports > ARRAY_SIZE(bt->touch_reports)) {
+ hid_err(hdev, "DualShock4 BT input report has invalid num_touch_reports=%d\n",
+ bt->num_touch_reports);
+ return -EINVAL;
+ }
+
ds4_report = &bt->common;
num_touch_reports = min_t(u8, bt->num_touch_reports,
ARRAY_SIZE(bt->touch_reports));