Messages in this thread Patch in this message | | | Date | Sat, 10 Jul 2021 17:46:15 +0100 | From | Salah Triki <> | Subject | [PATCH] dax: replace sprintf() by scnprintf() |
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Replace sprintf() by scnprintf() in order to avoid buffer overflows.
Signed-off-by: Salah Triki <salah.triki@gmail.com> --- drivers/dax/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index 5aee26e1bbd6..bcae4be6ae76 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -76,7 +76,7 @@ static ssize_t do_id_store(struct device_driver *drv, const char *buf, fields = sscanf(buf, "dax%d.%d", ®ion_id, &id); if (fields != 2) return -EINVAL; - sprintf(devname, "dax%d.%d", region_id, id); + scnprintf(devname, DAX_NAME_LEN, "dax%d.%d", region_id, id); if (!sysfs_streq(buf, devname)) return -EINVAL; -- 2.25.1
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