Richard Weinberger c5c2ce3560 ubi: Fix out of bounds write in volume update code ...

commit e4f6daac20 upstream.

ubi_start_leb_change() allocates too few bytes.
ubi_more_leb_change_data() will write up to req->upd_bytes +
ubi->min_io_size bytes.

Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2016-03-09 15:34:56 -08:00

13 KiB

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