]> git.itanic.dy.fi Git - linux-stable/commit
s390/dasd: fix possible buffer overflow in copy_pair_show
authorStefan Haberland <sth@linux.ibm.com>
Wed, 23 Nov 2022 16:07:19 +0000 (17:07 +0100)
committerJens Axboe <axboe@kernel.dk>
Wed, 23 Nov 2022 17:37:37 +0000 (10:37 -0700)
commit7e8a05b47ba7200f333eefd19979eeb4d273ceec
treeeae1830467bc60a144788147d05ea3965f7a484f
parent590ce6d96d6a224b470a3862c33a483d5022bfdb
s390/dasd: fix possible buffer overflow in copy_pair_show

dasd_copy_relation->entry[] array might be accessed out of bounds if the
loop does not break.

Fixes: a91ff09d39f9 ("s390/dasd: add copy pair setup")
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Link: https://lore.kernel.org/r/20221123160719.3002694-5-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/s390/block/dasd_devmap.c