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(parent: 82e360c) | patch
HID: debug: check length before copy_to_user()
authorDaniel Rosenberg <drosen@google.com>
Mon, 2 Jul 2018 23:59:37 +0000 (16:59 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 11 Jul 2018 14:26:45 +0000 (16:26 +0200)
commit4a30c12542290f1def08b9ef0d677c024c500589
treec4fff20d3477156708190c7aad91056a13918948tree | snapshot
parent82e360cd6fb2055cb178f92934eb71d511b1aa47commit | diff
HID: debug: check length before copy_to_user()

commit 717adfdaf14704fd3ec7fa2c04520c0723247eac upstream.

If our length is greater than the size of the buffer, we
overflow the buffer

Cc: stable@vger.kernel.org
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hid/hid-debug.c diff | blob | history
Domain: System / Kernel;