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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-18 16:53:38 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-18 16:53:38 +0200
commit5895db67c12464003afd16c08049b73aa09e58ea (patch)
treec3855a7ab889dffc2a02460f65abbbe6b800b6e6 /drivers/bluetooth/btnxpuart.c
parent1c5f3df9481bb6275aeb079a8312d037da69715b (diff)
parentf89c296854b755a66657065c35b05406fc18264d (diff)
Merge v6.18.39linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/bluetooth/btnxpuart.c')
-rw-r--r--drivers/bluetooth/btnxpuart.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c
index 3b1e9224e965..970da4f84e60 100644
--- a/drivers/bluetooth/btnxpuart.c
+++ b/drivers/bluetooth/btnxpuart.c
@@ -1267,6 +1267,12 @@ static int nxp_recv_fw_req_v3(struct hci_dev *hdev, struct sk_buff *skb)
}
nxpdev->fw_dnld_v3_offset = offset - nxpdev->fw_v3_offset_correction;
+ if (nxpdev->fw_dnld_v3_offset >= nxpdev->fw->size ||
+ len > nxpdev->fw->size - nxpdev->fw_dnld_v3_offset) {
+ bt_dev_err(hdev, "FW download out of bounds, ignoring request");
+ len = 0;
+ goto free_skb;
+ }
serdev_device_write_buf(nxpdev->serdev, nxpdev->fw->data +
nxpdev->fw_dnld_v3_offset, len);