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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/bluetooth
parent5895db67c12464003afd16c08049b73aa09e58ea (diff)
parent221fc2f4d0eda59d02af2e751a9282fa013a8e97 (diff)
Merge v6.18.40linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/bpa10x.c8
-rw-r--r--drivers/bluetooth/btmtk.c4
-rw-r--r--drivers/bluetooth/btrtl.c5
-rw-r--r--drivers/bluetooth/hci_qca.c2
-rw-r--r--drivers/bluetooth/hci_vhci.c10
5 files changed, 23 insertions, 6 deletions
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index e305d04aac9d..989fca42ce56 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -255,9 +255,13 @@ static int bpa10x_setup(struct hci_dev *hdev)
if (IS_ERR(skb))
return PTR_ERR(skb);
- bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
+ /* Bounded print: the device controls skb->len. */
+ if (skb->len > 1) {
+ int len = skb->len - 1;
- hci_set_fw_info(hdev, "%s", skb->data + 1);
+ bt_dev_info(hdev, "%.*s", len, (char *)(skb->data + 1));
+ hci_set_fw_info(hdev, "%.*s", len, skb->data + 1);
+ }
kfree_skb(skb);
return 0;
diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c
index 38ba8f2bd2f9..a908e7b46eca 100644
--- a/drivers/bluetooth/btmtk.c
+++ b/drivers/bluetooth/btmtk.c
@@ -1051,8 +1051,10 @@ struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb,
if (!urb)
return ERR_PTR(-ENOMEM);
- if (btmtk_isopkt_pad(hdev, skb))
+ if (btmtk_isopkt_pad(hdev, skb)) {
+ usb_free_urb(urb);
return ERR_PTR(-EINVAL);
+ }
pipe = usb_sndintpipe(btmtk_data->udev,
btmtk_data->isopkt_tx_ep->bEndpointAddress);
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 52794db2739b..a62eae7276d6 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -786,8 +786,9 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
}
BT_DBG("length=%x offset=%x index %d", patch_length, patch_offset, i);
- min_size = patch_offset + patch_length;
- if (btrtl_dev->fw_len < min_size)
+ if (patch_length < sizeof(epatch_info->fw_version) ||
+ patch_offset > btrtl_dev->fw_len ||
+ patch_length > btrtl_dev->fw_len - patch_offset)
return -EINVAL;
/* Copy the firmware into a new buffer and write the version at
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index d37a51101ca7..c649a3f702c0 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1023,7 +1023,7 @@ static void qca_dmp_hdr(struct hci_dev *hdev, struct sk_buff *skb)
skb_put_data(skb, buf, strlen(buf));
snprintf(buf, sizeof(buf), "Driver: %s\n",
- hu->serdev->dev.driver->name);
+ hu->serdev ? hu->serdev->dev.driver->name : "hci_ldisc_qca");
skb_put_data(skb, buf, strlen(buf));
}
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 2fef08254d78..22edae355808 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -337,7 +337,17 @@ static ssize_t force_devcd_write(struct file *file, const char __user *user_buf,
if (copy_from_user(&dump_data, user_buf, count))
return -EFAULT;
+ switch (dump_data.state) {
+ case HCI_DEVCOREDUMP_DONE:
+ case HCI_DEVCOREDUMP_ABORT:
+ case HCI_DEVCOREDUMP_TIMEOUT:
+ break;
+ default:
+ return -EINVAL;
+ }
+
data_size = count - offsetof(struct devcoredump_test_data, data);
+
skb = alloc_skb(data_size, GFP_ATOMIC);
if (!skb)
return -ENOMEM;