diff options
| -rw-r--r-- | drivers/block/ublk_drv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index a01a547c562f..746ef36e58df 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -2457,6 +2457,9 @@ static int ublk_ctrl_add_dev(struct io_uring_cmd *cmd) if (copy_from_user(&info, argp, sizeof(info))) return -EFAULT; + if (info.queue_depth > UBLK_MAX_QUEUE_DEPTH || info.nr_hw_queues > UBLK_MAX_NR_QUEUES) + return -EINVAL; + if (capable(CAP_SYS_ADMIN)) info.flags &= ~UBLK_F_UNPRIVILEGED_DEV; else if (!(info.flags & UBLK_F_UNPRIVILEGED_DEV)) |