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(parent: 09b1d9f) | patch
USB: cdc-wdm: fix buffer overflow
authorOliver Neukum <oneukum@suse.de>
Tue, 12 Mar 2013 13:52:42 +0000 (14:52 +0100)
committerWilly Tarreau <w@1wt.eu>
Mon, 10 Jun 2013 09:43:05 +0000 (11:43 +0200)
commite3c81f656abdbe5ba541a04d60d264046fb6fa22
tree0df766dac5b6d04ce2e2be32618a6890ce2a2c30tree | snapshot
parent09b1d9f2b34b2dd409897602fd0133b7d1a5f117commit | 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>
[bwh: Backported to 2.6.32: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Willy Tarreau <w@1wt.eu>
drivers/usb/class/cdc-wdm.c diff | blob | history
unionfs2-2.6.39.y