diff options
| author | Stefan Haberland <sth@linux.ibm.com> | 2022-11-23 19:07:19 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-23 20:37:37 +0300 |
| commit | 7e8a05b47ba7200f333eefd19979eeb4d273ceec (patch) | |
| tree | eae1830467bc60a144788147d05ea3965f7a484f /drivers/s390 | |
| parent | 590ce6d96d6a224b470a3862c33a483d5022bfdb (diff) | |
| download | linux-7e8a05b47ba7200f333eefd19979eeb4d273ceec.tar.xz | |
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>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/block/dasd_devmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index cb83f81da416..df17f0f9cb0f 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -1954,7 +1954,7 @@ dasd_copy_pair_show(struct device *dev, break; } } - if (!copy->entry[i].primary) + if (i == DASD_CP_ENTRIES) goto out; /* print all secondary */ |