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(parent: d04eaae) | patch
USB: cdc-wdm: fix buffer overflow
authorOliver Neukum <oneukum@suse.de>
Tue, 12 Mar 2013 13:52:42 +0000 (14:52 +0100)
committerPaul Gortmaker <paul.gortmaker@windriver.com>
Mon, 10 Feb 2014 21:11:22 +0000 (16:11 -0500)
commita30f1701a01b2f64e6d497d3ee0144811b479600
tree8a41043b3175f9abf34bae4eb27b2b4384853a14tree | snapshot
parentd04eaae1d63ba7f89d54ea80df8f79ecba14ea53commit | diff
USB: cdc-wdm: fix buffer overflow

commit c0f5ecee4e741667b2493c742b60b6218d40b3aa upstream.

The buffer for responses must not overflow.
If this would happen, set a flag, drop the data and return
an error after user space has read all remaining data.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[PG: minor adjustment since RESET from 880442027569 isn't in .34]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
drivers/usb/class/cdc-wdm.c diff | blob | history
wrapfs-2.6.34.y