diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-21 13:09:18 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-21 13:09:18 +0200 |
| commit | a2ab5fc41533c952706ebdfaa378bb746e535cc1 (patch) | |
| tree | 9fb86bb4e9ecb67f7e651d284c2f12c6c5d4378f /drivers/usb/core/message.c | |
| parent | a380f2edef65b2447a043251bb3c00a9d2153a8b (diff) | |
| parent | 0e708fc602531b8355b5de6ea7c98f09129b223f (diff) | |
Merge branch 'pm-sleep' into pm-core
Diffstat (limited to 'drivers/usb/core/message.c')
| -rw-r--r-- | drivers/usb/core/message.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 4c38ea41ae96..371a07d874a3 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -2069,6 +2069,10 @@ int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr, elength = 1; goto next_desc; } + if ((buflen < elength) || (elength < 3)) { + dev_err(&intf->dev, "invalid descriptor buffer length\n"); + break; + } if (buffer[1] != USB_DT_CS_INTERFACE) { dev_err(&intf->dev, "skipping garbage\n"); goto next_desc; |