diff options
| author | Javier González <jg@lightnvm.io> | 2017-04-15 21:55:49 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-16 19:06:25 +0300 |
| commit | 6eb082452df1218e9c0ce1168c456f839ce5acb2 (patch) | |
| tree | b12a4424e0b5115cd47ee95eb74591cddef554c8 /drivers/lightnvm | |
| parent | d788c59be5fa98ef41cc4dbab8e0cd8a29df082c (diff) | |
| download | linux-6eb082452df1218e9c0ce1168c456f839ce5acb2.tar.xz | |
lightnvm: convert sprintf into strlcpy
Convert sprintf calls to strlcpy in order to make possible buffer
overflow more obvious.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm')
| -rw-r--r-- | drivers/lightnvm/core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 258007a6bc31..2c26af3d4ba8 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -273,7 +273,7 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create) goto err_disk; blk_queue_make_request(tqueue, tt->make_rq); - sprintf(tdisk->disk_name, "%s", create->tgtname); + strlcpy(tdisk->disk_name, create->tgtname, sizeof(tdisk->disk_name)); tdisk->flags = GENHD_FL_EXT_DEVT; tdisk->major = 0; tdisk->first_minor = 0; @@ -1198,13 +1198,13 @@ static long nvm_ioctl_get_devices(struct file *file, void __user *arg) list_for_each_entry(dev, &nvm_devices, devices) { struct nvm_ioctl_device_info *info = &devices->info[i]; - sprintf(info->devname, "%s", dev->name); + strlcpy(info->devname, dev->name, sizeof(info->devname)); /* kept for compatibility */ info->bmversion[0] = 1; info->bmversion[1] = 0; info->bmversion[2] = 0; - sprintf(info->bmname, "%s", "gennvm"); + strlcpy(info->bmname, "gennvm", sizeof(info->bmname)); i++; if (i > 31) { |